helmetnoun [ C ]
uk/ˈhel.mət/us/ˈhel.mət/B2 a strong, hard hat that covers and protects the head:
a crash helmet
a bicycle helmet
More examples
- It's very risky to ride your bike without wearing a cycle helmet.
- To keep the helmet in position, fasten the strap beneath the chin.
- Is the strap on this helmet adjustable?
- He pulled on his helmet and straddled the motorbike.
- You cannot come onto the building site unless you're wearing a helmet.
Thesaurus: synonyms and related words
Hats & scarves
- ascot
- balaclava
- bandana
- baseball cap
- beanie
- dicky bow
- dunce's cap
- dupatta
- ear flap
- earmuffs
- mitre
- mortarboard
- neckerchief
- necktie
- niqab
- peaked
- turban
- visor
- yarmulke
- yashmak
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You can also find related words, phrases, and synonyms in the topics:
Protective clothing