rectangular

adjective

rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər 

1

: shaped like a rectangle

a rectangular area

2

a

: crossing, lying, or meeting at a right angle

rectangular axes

b

: having edges, surfaces, or faces that meet at right angles : having faces or surfaces shaped like rectangles

rectangular parallelepipeds

a rectangular solid

rectangularity

(ˌ)rek-ˌtaŋ-gyə-ˈler-ə-tē 

-ˈla-rə-tē

noun

rectangularly

rek-ˈtaŋ-gyə-lər-lē 

adverb

Examples of rectangular in a Sentence

Recent Examples on the Web

The terse staff will slice a rectangular piece of pizza for you from a long slab, wrap it in paper, and send you on your way. —Condé Nast, Condé Nast Traveler, 31 Mar. 2026

Blayzer, a rectangular design available in Standard and Large sizes, and Scriber, a more rounded frame style. —Will McCurdy, PC Magazine, 31 Mar. 2026

The Blayzer model features a rectangular frame and will be available in Standard and Large sizes. —Aamir Khollam, Interesting Engineering, 31 Mar. 2026

The Low Tow prototype also includes a sleek indoor corner kitchen with slim rectangular sink, dual-burner induction cooktop and 12-V compressor fridge. —New Atlas, 29 Mar. 2026

Word History

First Known Use

circa 1560, in the meaning defined at sense 1

Phrases Containing rectangular

• rectangular coordinate

Rhymes for rectangular

• quadrangular
• subangular
• triangular
• angular
• subtriangular

Kids Definition

rectangular

adjective

rect·​an·​gu·​lar rek-ˈtaŋ-gyə-lər 

1

: shaped like a rectangle

a rectangular building

2

: having edges, faces, or surfaces that meet at right angles : having faces or surfaces shaped like rectangles

a rectangular solid

rectangular blocks