DictionaryhelmetProtective headgear
noun / verb

helmet

HEL-mit/ˈhelmɪt/

A protective covering for the head, or to equip someone with it.

She wears a helmet whenever she rides her bike to work.

A young adult cyclist wearing a securely fastened bicycle helmet, shown beside her bicycle with the helmet prominent and its protective shell, padded rim, and chin strap clearly visible.
Etymology

Helmet may be a diminutive of helm, a protective head-covering; alternatively, it may come from a French diminutive with the same Germanic ancestry. Both explanations connect the word with protection for the head.

In context

learning junction1:58
wear a helmet when riding a two-wheeler it protects us from injury
Road Safety video || Traffic Rules And Signs For Kids || Kids Educational Video

More examples

  • The firefighter's helmet protects his head from falling debris.
  • Players keep their helmets on throughout football practice.
  • The guides helmet each visitor before entering the cave.

Forms

helmet · helmets · helmeted · helmeting

Similar words

hardhat
Specifically a rigid protective hat worn at work sites.
headgear
Includes all head coverings, not just those providing protection.