crash helmet
noun
Definition of crash helmet
: a helmet that is worn (as by motorcyclists) as protection for the head in the event of an accident
Indulge Your Inner Word Nerd
Circa 1918
First Known Use of crash helmet
circa 1918
CRASH HELMET Defined for English Language Learners
crash helmet
noun
Definition of crash helmet for English Language Learners
-
: a very strong, hard hat that is worn to protect your head when you are riding a bicycle, motorcycle, etc.
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