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

Kelce reportedly designed the ring with Lubeck, which used an old mine and rectangle cut diamonds with antique references. — Jordan Moreau, Variety, 3 July 2026

But the black rectangles remain staked into the ground today. — Sam McDowell 1, Kansas City Star, 1 July 2026

Starting along short side of rectangle, lay 4 pieces of pepperoni side by side, half-inch apart, and roll into tight cylinder, pinching seam to seal. — ABC News, 29 June 2026

Between remote work, online school, streaming, and the constant pull of a phone, the modern day is shaped by glowing rectangles in a way that would have seemed unimaginable a decade ago. — Lyssanoel Frater, USA Today, 25 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"