helmet

noun

hel·​met ˈhel-mət How to pronounce helmet (audio)
Synonyms of helmetnext
1
: a covering or enclosing headpiece of ancient or medieval armor see armor illustration
2
: any of various protective head coverings usually made of a hard material to resist impact
3
: something resembling a helmet
helmeted adjective
helmetlike adjective

Examples of helmet in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And even though Georgia law does not require this, all cyclists and scooterists should wear helmets. Doug Turnbull, AJC.com, 5 July 2026 Contreras then threw his helmet in Cavalli’s direction before teammates and coaches separated everyone. Jon Root Outkick, FOXNews.com, 3 July 2026 The figure features Boba Fett's signature Mandalorian armor, a swiveling helmet range finder, jetpack, blaster and a fabric cape. Anthony Thompson, USA Today, 2 July 2026 Contreras has always been an overheating boiler of a ballplayer, with a history of arguing with umpires, throwing bats and helmets, and willing to charge the mound over any slight, real or imagined. Steve Buckley, New York Times, 2 July 2026 See All Example Sentences for helmet

Word History

Etymology

Middle English, from Middle French, diminutive of helme helmet, of Germanic origin; akin to Old English helm helmet, Old High German helan to conceal — more at hell

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of helmet was in the 15th century

Browse Nearby Words

Cite this Entry

“Helmet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/helmet. Accessed 6 Jul. 2026.

Kids Definition

helmet

noun
hel·​met ˈhel-mət How to pronounce helmet (audio)
1
: a covering or enclosing headpiece of armor
2
: any of various protective head coverings usually made of a hard material
helmetlike adjective

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