helmet

[ hel-mit ]
See synonyms for helmet on Thesaurus.com
noun
  1. any of various forms of protective head covering worn by soldiers, firefighters, divers, cyclists, etc.

  2. medieval armor for the head.

  1. (in fencing, singlestick, etc.) a protective device for the head and face consisting of reinforced wire mesh.

  2. anything resembling a helmet in form or position.

Origin of helmet

1
1400–50; late Middle English <Middle French healmet, helmet, diminutive of helmehelm2

Other words from helmet

  • hel·met·ed, adjective
  • hel·met·like, adjective
  • un·hel·met·ed, adjective

Words Nearby helmet

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use helmet in a sentence

British Dictionary definitions for helmet

helmet

/ (ˈhɛlmɪt) /


noun
  1. a piece of protective or defensive armour for the head worn by soldiers, policemen, firemen, divers, etc

  2. biology a part or structure resembling a helmet, esp the upper part of the calyx of certain flowers

Origin of helmet

1
C15: from Old French, diminutive of helme, of Germanic origin

Derived forms of helmet

  • helmeted, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012