noun
helmet
HEHL-miht
noun
1
A hard protective covering worn on the head, especially during sports, combat, or dangerous work.
"Always wear a helmet when riding a bike."
"The construction workers wore hard hats and helmets on site."
How to Use Helmet
Learner’s notesIn plain EnglishProtective head gear worn for safety in sports, construction, or combat.
Common pairings
wear a helmet
bike helmet
football helmet
safety helmet
Word Forms
helmeted past tense, helmetted past tense, helmets plural, helmets singular
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Etymology
From Old French helmet, a diminutive of helme ("helm"), itself borrowed from a Germanic word.