rectangle

noun

rect·​an·​gle ˈrek-ˌtaŋ-gəl 

: 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

Though turndown guardrails can still be found, most now begin and end with the rectangles of steel known as terminal ends. — Charles Bethea, New Yorker, 20 July 2026

Tap the Screen Mirroring button , which looks like two overlapping rectangles. — Kurt Knutsson, FOXNews.com, 18 July 2026

During our next interview, Pissenem took a new page of graph paper and drew a skinny rectangle. — Max Marshall, Vanity Fair, 15 July 2026

Using a floured rolling pin, roll dough into a 12×8-inch rectangle, about ½ inch thick. — Chadwick Boyd, Better Homes & Gardens, 9 July 2026

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

Kids Definition

rectangle

noun

rect·​an·​gle ˈrek-ˌtaŋ-gəl 

: 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"