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

Rather than the traditional rectangle, the Este screen boasts playful scallops and exaggerated feet. —Erika Owen, Architectural Digest, 21 Oct. 2025

The set is available in multiple colors and includes two baking sheets, a 12-cup muffin pan, a large rectangle pan and storage organizer for neat cabinet stacking. —Nora Colomer May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 15 Oct. 2025

Roll dough into an 18x12-inch rectangle. —Sarah Martens, Better Homes & Gardens, 8 Oct. 2025

Swift’s Eras Tour stage features a large diamond in the center that extends out into two rectangles on either side. —Rachel Desantis, PEOPLE, 3 Oct. 2025

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"