Helmet
/hˈɛlmət/
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Definition
(noun) A hard, protective head covering, typically part of armour.
Sentence Examples
You're playing with fire if you insist on riding your motorcycle without a helmet on.
It is dangerous to ride a motorbike without a helmet.
CEFR Practice Quiz
It is the law to wear a ____ while riding a motorcycle to protect your head in case of an accident.