hel·​met | \ ˈhel-mət How to pronounce helmet (audio) \

Definition of helmet

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

Other Words from helmet

helmeted \ ˈhel-​mə-​təd How to pronounce helmet (audio) \ adjective
helmetlike \ ˈhel-​mət-​ˌlīk How to pronounce helmet (audio) \ adjective

Examples of helmet in a Sentence

Recent Examples on the Web Grant, who was wearing a helmet when the accident occurred, is staying a second night at the hospital for observation and treatment, the rep says. Jessica Nicholson, Billboard, 28 July 2022 Reflective coated windows, similar to an astronaut's helmet, are in place to help keep temperatures comfortable, while a new thermal control system is patent-pending. Maureen O'hare, CNN, 27 July 2022 Payton Gendron allegedly wore a camera glued to his helmet and carried an AR-15 rifle into the Tops Friendly Market grocery store, opening fire on innocent victims. Brian Flood, Fox News, 24 May 2022 In the video that appeared to have been captured by the camera affixed to his helmet, an anti-Black racial slur can be seen on the barrel of his weapon. New York Times, 15 May 2022 Officials believe that the gunman streamed his actions through a camera attached to a tactical helmet. J. Kim Murphy, Variety, 14 May 2022 Wearing a protective cage attached to his helmet, Wheeler had the biggest hit of the night. Joe Freeman, oregonlive, 14 Apr. 2022 The deets: An app records impacts to this helmet in five different zones. Outside Online, 9 Mar. 2022 For proof, check the giddy celebration at sun-dappled Phoenix Snow Park that began with Kim’s mittens clasped to her helmet after stomping her victory lap. Will Graves, chicagotribune.com, 2 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'helmet.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of helmet

15th century, in the meaning defined at sense 1

History and Etymology for helmet

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

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Time Traveler for helmet

Time Traveler

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

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Dictionary Entries Near helmet



helmet bird

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Statistics for helmet

Last Updated

5 Aug 2022

Cite this Entry

“Helmet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/helmet. Accessed 11 Aug. 2022.

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More Definitions for helmet


hel·​met | \ ˈhel-mət How to pronounce helmet (audio) \

Kids Definition of helmet

: a protective covering for the head


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