helmet

noun

hel·​met ˈhel-mət How to pronounce helmet (audio)
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.
Tucker stepped out of the batter’s box to tip his helmet toward both a roaring crowd and the applauding Astros dugout. Chandler Rome, New York Times, 28 June 2025 Culver City Pride requires helmets for all participants. Jaclyn Cosgrove, Los Angeles Times, 26 June 2025 Aaron Rodgers #8 of the New York Jets puts on his helmet during the first quarter of a game against the Seattle Seahawks at MetLife Stadium on December 01, 2024 in East Rutherford, New Jersey. Evan Massey, MSNBC Newsweek, 25 June 2025 There isn’t much risk in trying a new brand of cereal, but there is risk in riding a motorcycle without a helmet. Sarah Bauerle Bass, The Conversation, 23 June 2025 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 3 Jul. 2025.

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

More from Merriam-Webster on helmet

Last Updated: - Updated example sentences
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