- a type of hard hat that protects the head, worn, for example, by a police officer, a soldier or a person riding a bike or motorbike or playing some sports
- Police in riot helmets lined the streets.
- A protective helmet should be worn at all times.
- Cycle helmets dramatically reduce the risk and severity of head injuries.
Oxford Collocations Dictionaryadjective- leather
- metal
- plastic
- …
- have on
- wear
- don
- …
- visor
Word Originlate Middle English: from Old French, diminutive of helme, of Germanic origin.Definitions on the go
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helmet