rectangle

noun

rect·​an·​gle ˈrek-ˌtaŋ-gəl How to pronounce rectangle (audio)
Synonyms of rectanglenext
: a parallelogram all of whose angles are right angles
especially : one with adjacent sides of unequal length

Examples of rectangle in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Raphael’s Madonna gave way to Mark Rothko’s rectangles. Luis Parrales, The Atlantic, 28 Apr. 2026 Cut each rectangle into twelve 7-inch-long strips. Sarah Martens, Better Homes & Gardens, 26 Apr. 2026 The loose/flat shapes arranged in a rectangle mean something in their relationships, just as much as the verbal meaning or the obvious ideas at play. Literary Hub, 24 Apr. 2026 Carefully crafted rum cocktails pair well with each dish, and be sure to order the birthday flan, a slender rectangle of custard with rainbow sprinkles that’s joy on a plate. Condé Nast, Condé Nast Traveler, 23 Apr. 2026 See All Example Sentences for rectangle

Word History

Etymology

Medieval Latin rectangulus having a right angle, from Latin rectus right + angulus angle — more at right, angle

First Known Use

circa 1560, in the meaning defined above

Time Traveler
The first known use of rectangle was circa 1560

Browse Nearby Words

Cite this Entry

“Rectangle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/rectangle. Accessed 29 Apr. 2026.

Kids Definition

rectangle

noun
rect·​an·​gle ˈrek-ˌtaŋ-gəl How to pronounce rectangle (audio)
: a four-sided polygon that has four right angles and each pair of opposite sides parallel and of the same length
Etymology

from Latin rectangulus "having a right angle," from earlier Latin rectus "right" and angulus "angle"

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