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.
The victim was also believed to not have been wearing a helmet, according to the CHP. Lia Russell, Sacramento Bee, 22 Mar. 2025 Police said McDonald was wearing a helmet at the time of the incident. Kendrick Calfee, Kansas City Star, 20 Mar. 2025 The skier was wearing a helmet at the time of the crash, the department said. Brooke Baitinger, Idaho Statesman, 19 Mar. 2025 The police chief said neither the 6-year-old nor the 8-year-old were wearing a helmet at the time of the crash, according to WGN-TV and WMAQ-TV. Abigail Adams, People.com, 18 Mar. 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 29 Mar. 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

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