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

Since ChatGPT broke into the mainstream, the AI boom has mostly happened inside a rectangle. — Robert J. Szczerba, Forbes.com, 23 June 2026

Anker Soundcore Boom 2 Deal While there are plenty of outdoor speaker options out there, the Anker Boom 2 offers a nice throwback aesthetic with a boombox handle and rectangle design. — Carlos Mejia, PC Magazine, 22 June 2026

Saddleback Caterpillar has a stout, brown body about an inch long with a bright green rectangle and an oval saddle marking on its back. — Arricca Elin Sansone, Southern Living, 22 June 2026

The arrival of this sleek black rectangle of metal and glass was the moment the convergence of telephone and computer went mainstream. — Literary Hub, 17 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"