Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

equilateral

adjective
 
 
/ˌiː.kwɪˈlæt.ər.əl/ /ˌek.wɪ-/ US  /-læt̬-/

Definition

describes a shape whose sides are all the same length: an equilateral triangleDescribing angles, lines and orientations
(Definition of equilateral adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

come rain or shine

whatever happens

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More