helmet

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A personal protective device of hardened plastic (or other materials) worn on the head to decrease the severity of injuries in the event of an accident

helmet

Public health A personal protective device of hardened plastic worn on the head to ↓ severity of injuries in the event of an accident. See Pro cap helmet.
References in periodicals archive ?
Aside from corals, 14 seahorses, 34 giant clam species and 2 helmet shells were also seized by the authorities.
The containers were declared to be carrying rubber, but in fact held 163 stuffed hawkbills and green turtles, over 21,000 black corals, 7,340 Trumpet and Helmet shells, and other endangered species worth some 35 million pesos (about $814,000).
They were required to do everything such as patch helmet shells and fix jerseys, and the schools were happy with the role we were serving.