Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

helmet

noun [C]
 
 
/ˈhel.mət/

Definition

B2 a strong hard hat that covers and protects the head: a crash helmet a cycle helmetThings worn to cover the head, face or neckProtective clothing
(Definition of helmet noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“helmet” in other dictionaries

Word of the Day

bogus

false, not real or not legal

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