Etymology From Middle English joinen, joynen, joignen, from Old French joindre, juindre, jungre, from Latin iungō (“join, yoke”, verb), from Proto-Indo-European *yewg- (“to join, unite”). Cognate with Old English iucian, iugian, ġeocian, ġyċċan (“to join; yoke”). More at yoke.
The plumber joined the two ends of the broken pipe.
We joined our efforts to get an even better result.
2
To come together; to meet.
Parallel lines never join.
These two rivers join in about 80 miles.
3
To enter into association or alliance, to unite in a common purpose.
Forſake thy king and do but ioyne with me And we will triumph ouer al the world.c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire; London: Scolar Press, 1973, →ISBN, Act I, scene ii:
[…]Nature and Fortune ioyn’d to make thee great.c. 1596 (date written), William Shakespeare, “The Life and Death of King Iohn”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene i], page 8, column 2:
4
To come into the company of.
I will join you watching the football game as soon as I have finished my work.
No matter how early I came down, I would find him on the veranda, smoking cigarettes, or otherwise his man would be there with a message to say that his master would shortly join me if I would kindly wait.1897 December (indicated as 1898), Winston Churchill, chapter IV, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd., →OCLC, page 46:
5
To become a member of.
Many children join a sports club.
Most politicians have joined a party.
1 more example
In the autumn there was a row at some cement works about the unskilled labour men. A union had just been started for them and all but a few joined. One of these blacklegs was laid for by a picket and knocked out of time.1918, W[illiam] B[abington] Maxwell, chapter XXII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC:
6
Computing, Databases, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences To produce an intersection of data in two or more database tables.
By joining the Customer table on the Product table, we can show each customer's name alongside the products they have ordered.
7
To unite in marriage.
Into the whiche holy eſtate theſe two perſones pꝛeſent: come nowe to be ioyned.1549 March 7, Thomas Cranmer [et al.], compilers, “Of Matrimony”, in The Booke of the Common Prayer and Administration of the Sacramentes, […], London: […] Edowardi Whitchurche […], →OCLC, folio xiii, recto:
[…]this fellow wil but ioyne you together, as they ioyne Wainscot, then one of you wil proue a ſhrunke pannell[…]c. 1598–1600 (date written), William Shakespeare, “As You Like It”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene iii], page 198, column 2:
1 more example
What therefore God hath ioyned together, let not man put aſunder.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Matthew 19:6, column 2:
And they ioyne them penaunce / as they call it / to faſt / to goo pylgremages ⁊ geve ſo moch to make ſatiſfaccion with all.1528 October 12 (Gregorian calendar), William Tyndale, “Anoylynge”, in The Obediẽce of a Christen Man […], [Antwerp]: [Johannes Hoochstraten], →OCLC, folio Cxj, recto:
9
To accept, or engage in, as a contest.
to join encounter, battle, or issue
Then when our powers in points of ſwords are ioin’d And cloſde in compaſſe of the killing bullet, […]c. 1587–1588 (date written), [Christopher Marlowe], Tamburlaine the Great. […] The First Part […], 2nd edition, part 1, London: […] [R. Robinson for] Richard Iones, […], published 1592, →OCLC; reprinted as Tamburlaine the Great (A Scolar Press Facsimile), Menston, Yorkshire; London: Scolar Press, 1973, →ISBN, Act II, scene i:
2 more examples
On the rough edge of battel ere it joyn'd.1667, John Milton, “Book VI”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:
Before joining battle, the officers and warriors gathered to make divinations "before the spirits of the former rulers," as at the battle of Yen-ling between Chin and Ch'u in 575 b.c.1965, Cho-yun Hsu, Ancient China in Transition: An Analysis of Social Mobility, 722–222 b.c., Stanford University Press, →LCCN, →OCLC, page 19:
Etymology From Middle English joinen, joynen, joignen, from Old French joindre, juindre, jungre, from Latin iungō (“join, yoke”, verb), from Proto-Indo-European *yewg- (“to join, unite”). Cognate with Old English iucian, iugian, ġeocian, ġyċċan (“to join; yoke”). More at yoke.
1
An act of joining or the state of being joined; a junction or joining.
We found 217 putative interchromosomal joins. Only one of these joins (in the paternal assembly of HG02080) was located in a euchromatic, non-acrocentric region and was manually confirmed to be a misassembly.2023 May 11, Wen-Wei Liao, Mobin Asri, Jana Ebler, et al., “A draft human pangenome reference”, in Nature, volume 617, →DOI, page 313:
2
An intersection of piping or wiring; an interconnect.
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The act of joining something, such as a network.
The offline domain join is a three-step process described subsequently: […]2010, Dustin Hannifin, Microsoft Windows Server 2008 R2 Administrator's Reference:
5
Algebra, Mathematics, Sciences The lowest upper bound, an operation between pairs of elements in a lattice, denoted by the symbol ∨.