rectangle

noun, adj — 5 senses

rectangle

noun

/ˈrɛktæŋɡl̩/

Etymology Borrowed from Middle French, from Old French, from Medieval Latin or Late Latin rectangulum (“right angle”), from Latin rectus (“right”) + angulus (“an angle”).

1

Geometry, Mathematics, Sciences Any quadrilateral having opposing sides parallel and four right angles.

2

Such a quadrilateral that is oblong (longer than it is wide): one that is not regular (equilateral), that is, any except a square.

3

Archaic A right angle.

  • For why should you praise, for example, the integrity of a Square who faithfully defends the interests of his client, when you ought in reality rather to admire the exact precision of his Rectangles?1884, A Square [pseudonym; Edwin A. Abbott], Flatland […] , London: Seeley & Co., Part I: This World, § 12.— Of the Doctrine of our Priests, page 46:
4

Archaic The product of two quantities.

  • In Lines it [the product] is always (and ſometimes in Numbers) call'd the Rectangle between the two Lines, multiply'd by one another.1728, E[phraim] Chambers, “Product”, in Cyclopædia: Or, An Universal Dictionary of Arts and Sciences; […] In Two Volumes, volumes II (I–Z), London: […] James and John Knapton [et al.], →OCLC, page 886, column 1:
Derived terms
golden rectangle, hyperrectangle, love rectangle, open rectangle, rectagraph, rectangled, rectanglelike, roundrect, subrectangle
Related terms
rect angle, rectangular, rectification, rectify, rectilinear
Hyponyms
oblong, square

rectangle

adj

Etymology Borrowed from Middle French, from Old French, from Medieval Latin or Late Latin rectangulum (“right angle”), from Latin rectus (“right”) + angulus (“an angle”).

1

Archaic Right-angled.

  • a rectangle triangle

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