brain

noun, verb — 16 senses

brain

noun

US, UK /ˈbɹeɪ̯n/ · AU, NZ /ˈbɹæ̝ɪ̯n/

Etymology Inherited from Middle English brayn, from Old English bræġn, from Proto-West Germanic *bragn, from Proto-Germanic *bragną, from Proto-Indo-European *mrógʰ-n̥ ~ *mrégʰ-n̥-s, from *mregʰ- + *-n̥. Cognate with Scots braine, brane (“brain”), North Frisian brayen, brein, Brain (“brain”), Saterland Frisian Brainge, Bräienge (“brain”), West Frisian brein (“brain”), Dutch brein (“brain”), Low German Brägen, Bregen (“brain”) (whence German Bregen (“animal brain”)), Ancient Greek βρεχμός (brekhmós, “front part of the skull, top of the head”).

11 senses
  1. 1The control center of the central nervous system of an…
  2. 2A part of the brain, especially associated with…
  3. 3skull; head
  4. 4Mind.
  5. 5Intellect.
  6. 6An intelligent person.
  7. 7A person who provides the intelligence required for something.
  8. 8An intellectual or mental capacity.
  9. 9By analogy with a human brain, the part of a machine or…
  10. 10Oral sex.
  11. 11A loose compartment of a backpack that straps on over…
1

The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.

  • The Ueynes are ſpred foorth throughout the whole bodie, howbeit from one welhead, that is to ſay from the Liuer: ſo be the Sinews, howbeit from the Brayne; So likewiſe are the Heartſtrings, howbeit from the Heart.1587, Philip of Mornay [i.e., Philippe de Mornay], “That there is but Onely One God”, in Philip Sidney, Arthur Golding, transl., A Woorke Concerning the Trewnesse of the Christian Religion, […], London: […] [John Charlewood and] George Robinson for Thomas Cadman, […], →OCLC, page 18:
  • The brain of a calf, sheep, and pig, young and served fresh, is reputedly erotic in its effects.1961, Harry E. Wedeck, Dictionary of Aphrodisiacs, New York: The Citadel Press, page 49:
1 more example
  • Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits. ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.2013 July 19, Ian Sample, “Irregular bedtimes may affect children's brains”, in The Guardian Weekly, volume 189, number 6, page 34:
2

A part of the brain, especially associated with particular mental functions, abilities, etc.

  • The left brain, or that which supplies and animates the right side of the body, is the most active brain, as a general rule.1892, Benjamin Ward Richardson, The Asclepiad, London, page 357:
  • What is expressed in the lotus, the plumed serpent, or the staff of Osiris is the yogi's knowledge of the three brains of man. The first brain is the reptilian brain of the spinal cord, the brain of instinctive reflexes, the brain of the subconscious.1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 113:
3

Obsolete skull; head

  • caused the young Princess, the King's only Daughter, to be taken and thrust into a large velvet Sack, and her Brains to be knockt out with great Bars1690, “Preface to the Reader”, in A Full and True Relation of the Great and Wonderful Revolution That Hapned Lately in the Kingdom of Siam in the East-Indies, London: Randal Taylor, page ii:
4

Informal Mind.

  • I have too much on my brain today.
  • And I should tell him all my pain, / ⁠And how my life had droop’d of late, / ⁠And he should sorrow o’er my state / And marvel what possess’d my brain; […]1850, [Alfred, Lord Tennyson], “Canto XIV”, in In Memoriam, London: Edward Moxon, […], →OCLC, page 22:
5

In plural Intellect.

  • "We provided a lot of brains and a lot of heart to the response when it was needed," says Sandra Sanchez, director of AFSC's Immigrants' Voice Program in Des Moines.2008 Quaker Action (magazine) Rights trampled in rush to deport immigrant workers, Fall 2008, Vol. 89, No. 3, p. 8
  • She has a lot of brains.
6

Informal An intelligent person.

  • She was a total brain.
  • Peebee: The brains and I are comparing Remnant notes and filling in the blanks.2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Nexus:
7

Informal A person who provides the intelligence required for something.

  • He is the brains behind the scheme.
8

Informal An intellectual or mental capacity.

  • Gerald always acts like he doesn't have a brain.
9

By analogy with a human brain, the part of a machine or computer that performs calculations.

  • The computer's brain is capable of millions of calculations a second.
10

Slang, Vulgar Oral sex.

  • Have you ever popped champagne on a plane, while gettin' some brain?2007, “Good Life”, in Graduation, performed by Kanye West ft. T-Pain:
  • You said I got brain from your dame in the range / In the passing lane / But you really ain't got no proof2012, Mack Maine featuring Turk and Mystikal, I'm On It:
2 more examples
  • Got your nigga going / Going insane and so do I when he give me brain2012, “Boss Ass Bitch”, performed by PTAF:
  • She giving brain / She eat the dick up like some M&Ms2018, “Squidrific”, performed by SahBabii:
11

A loose compartment of a backpack that straps on over the top opening.

Synonyms
brain, encephalon, harns
Derived terms
280 termsaddle-brain, afterbrain, assbrain, baby brain, battle of the brains, beanbrain, beat one's brain, beat one's brains out, beat someone's brains out, beetlebrain, bend the brain, big brain, bird brain, birdbrain, bird of one's own brain, blood-brain barrier, blow someone's brains out, blubberbrain, Boltzmann brain, booger brain, bored out of one's brains, Bowmar Brain, brainal, brainball, brain-bending, brain blast, brain bleach, brain bleed, brainbow, brainbox, brain bucket, brain-bucket, brainbuster, brain cancer, brain candy, braincase, braincast, brain cell, brainchild, brain chip, brain cloud, brain coral, braincraft, brain-cramp, brain cramp, brain damage, brain-damaged, braindance, brain day, brain-dead, brain dead, braindead, brain death, brain disease, brain disorder, brain doctor, brain drain, brain-dressed, brain dump, brainectomy, brainer, brain fade, brain fag, brain farm, brain fart, brainfest, brain-fever, brain fever, brain-fever bird, brain fingerprinting, brain fluid, brain fog, brain food, brainfood, brain freeze, brainfuck, Brainfuck, brainful, brain-gain, brain gain, braingasm, braingraph, brain graph, brain grey, brain heavy, brainhood, brainiac, brainial, brain imaging, brain implant, brainish, brainist, brainless, brainlet, brainlike, brain like a sieve, brainlock, brainly, brain machine, brain-melting, brain-meltingly, brain mushroom, brain-numbing, brainordinate, brain-pan, brainpan, brain-picking, brainpower, brain-rot, brain rot, brain-rotting, brain sand, brainscan, brain scanner, brain-scanner, brain science, brainsick, brainspace, brain-stabbing, brain stem, brainstem, brainstorm, brain-storm, brain storm, brains trust, brains-truster, brain sugar, brain surgeon, brain surgery, braintape, brain-tape, brainteaser, brain-teaser, brainteasing, brain-tickler, puke for brains, brain tiredness, brain traffic, brain trick, brain trust, brain tumor, brain tumour, brain virus, brainwash, brainwashing, brain-washing, brainwave, brain wave, brain weary, brainwide, brainwipe, brainwork, brainworker, brain worker, brainworm, brain worm, brain-worm, brain-wormed, brainwriting, brainy, brain zap, bubble brain, car brain, chemobrain, chemo brain, cockbrain, crackbrain, critical brain hypothesis, cudgel one's brain, cudgel one's brains, cumbrain, debrain, deep brain stimulation, der-brain, dickbrain, dick-brain, dirtbrain, doodlebrain, dur-brain, durr-brain, eigenbrain, electronic brain, endbrain, feather-brain, featherbrain, featherbrained, fish-brain, fleabrain, forebrain, Fox News brain, fuckbrain, fuck someone's brains out, galaxy brain, galaxy-brain, give brain, gut-brain axis, hairbrained, half a brain, harebrain, harebrained, hemibrain, hindbrain, hot-brain, interbrain, intrabrain, jellybrain, jingle brains, jingle-brains, Jupiter brain, lackbrain, lame-brain, lame brain, lamebrain, laserbrain, leaky brain syndrome, left brain, lizard brain, madbrain, Matrioshka brain, Metroidbrainia, microbrain, midbrain, minimal brain dysfunction, mommy brain, more money than brains, musclebrain, muscle-eye-brain disease, nerdbrain, no-brainer, nonbrain, on the brain, organic brain syndrome, outbrain, pea brain, peabrain, pea-brain, peripheral brain, permanent brain, pick someone's brain, pick someone's brains, pregnancy brain, pudding-brain, puke one's brains out, rack one's brain, rack one's brains, rattlebrain, reptilian brain, reverse brain drain, right brain, roof-brain chatter, scatterbrain, scatterbrained, second brain, shitbrain, shit for brains, shit-for-brains, smell-brain, smooth brain, smooth-brained, split brain, squirrel-brain, superbrain, tardbrain, ticklebrain, tornado brain, trash for brains, traumatic brain injury, triune brain, 'tweenbrain, 'twixt-brain, wash one's brain out with soap, water on the brain, wet brain, wetbrain, wrack one's brain, wrack one's brains, wrap one's brain around, yellow brain, yellow brain fungus, yes-brainer
Hypernyms
organ
Holonyms
central nervous system, nervous system, body
Meronyms
hindbrain, midbrain, forebrain, medulla oblongata, pons, cerebellum, diencephalon, prosencephalon, mesencephalon, metencephalon, myelencephalon, rhombencephalon, telencephalon, cerebral hemisphere, cerebral cortex

brain

verb

Etymology Inherited from Middle English brayn, from Old English bræġn, from Proto-West Germanic *bragn, from Proto-Germanic *bragną, from Proto-Indo-European *mrógʰ-n̥ ~ *mrégʰ-n̥-s, from *mregʰ- + *-n̥. Cognate with Scots braine, brane (“brain”), North Frisian brayen, brein, Brain (“brain”), Saterland Frisian Brainge, Bräienge (“brain”), West Frisian brein (“brain”), Dutch brein (“brain”), Low German Brägen, Bregen (“brain”) (whence German Bregen (“animal brain”)), Ancient Greek βρεχμός (brekhmós, “front part of the skull, top of the head”).

1

To dash out the brains of; to kill by smashing the skull.

2

To strike (someone) on the head.

  • Lambdon would require medical attention for a fractured skull. It seemed that Fen had passed his wife a couple of telling pictures, whereupon the drab Mrs. Lambdon had brained her husband with a table lamp.2014, K.J. Charles, Think of England, page 166:
3

Figuratively To destroy; to put an end to.

  • There thou maiſt braine him,1610–1611 (date written), William Shakespeare, “The Tempest”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene ii], page 12:
  • It was the ſwift celeritie of his death / […] That brain'd my purpoſe:c. 1603–1604 (date written), William Shakespeare, “Measure for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i], page 82, column 2:
1 more example
  • He was going on with some wild reminiscences about his tomahawk-pipe, which, it seemed, had in its two uses both brained his foes and soothed his soul, when we were directly attracted to the sleeping rigger.1851 November 14, Herman Melville, chapter 21, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC:
4

Obsolete To conceive in the mind; to understand.

  • 'Tis still a dream, or else such stuff as madmen / Tongue, and brain not.1611 April (first recorded performance), William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene iv]:
5

Humorous, Nonstandard To think effectively.

  • My brain isn't braining right now.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.

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