Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

triangle

 
 
/ˈtraɪæŋgl/ noun [C]

Definition

SHAPE a flat shape with three sides
MUSICAL INSTRUMENT a small musical instrument made of a piece of metal with three sides which you hit with a metal bar
triangular
 
 
/traɪˈæŋgjələr/ adjective
shaped like a triangle
(Definition of triangle noun from the Cambridge Learner's Dictionary © Cambridge University Press)

“triangle” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

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