helmet
hel|met /h'elmɪt/ (helmets)
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A helmet is a hat made of a strong material which you wear to protect your head.
see also crash helmetcrash hel|met (crash helmets)
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A crash helmet is a helmet that motorcyclists wear in order to protect their heads if they have an accident.
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A helmet is a hat made of a strong material which you wear to protect your head.
see also crash helmetcrash hel|met (crash helmets)
[N-COUNT]
A crash helmet is a helmet that motorcyclists wear in order to protect their heads if they have an accident.