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.
The helmet stinks, the seat stinks. Matt Reigle Outkick, FOXNews.com, 29 Apr. 2026 Jason lightens up a bit, giving Ben the disco helmet. Rafaela Bassili, Vulture, 28 Apr. 2026 On the 265th pitch of their April 17 game, when the Baltimore Orioles needed some late-inning fortune, Leody Taveras tapped his helmet. Zack Meisel, New York Times, 27 Apr. 2026 Preventing head injury − including wearing a helmet for biking and sports, wearing a seatbelt and preventing falls − can keep your brain healthier in the long-run, the organization notes. Sara Moniuszko, USA Today, 27 Apr. 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 29 Apr. 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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