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

The way the celebrations are performances now, too, with a sea of glowing rectangles held aloft as the fourth quarter ticked away tensely. —Hannah Keyser, CNN Money, 14 June 2026

One half of the pitch was enveloped by a Qatari flag, the other was covered by a red rectangle emblazoned with a white cross. —Joseph Dycus, Mercury News, 13 June 2026

Twenty-players and a ball on a rectangle of grass; put the ball in the other team’s goal; don’t use your hands. —Leander Schaerlaeckens june 8, Literary Hub, 8 June 2026

So ignore the full outline and focus instead on the Keystone — a neat, four-star rectangle high in the southeastern sky on June evenings. —Jamie Carter, Space.com, 6 June 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"