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.
Walk through a gallery of bronze busts immortalizing the game's greatest players and learn about the evolution of the game from the days of leather helmets to modern gear. Usa Today Network, USA Today, 10 June 2026 As the Rams took the field for their last week of OTAs on Monday, the newest member of the organization walked out with his helmet in his left hand, pointing at new teammates with his right, his trademark white and black sweatband around his forehead. Adam Grosbard, Oc Register, 9 June 2026 The $90 million is for new and amended grants to 56 county and city police departments for radios, body cameras, riot gear, ballistic helmets, X-ray machines, inmate restraint chairs and other items. Cbs Miami Team, CBS News, 9 June 2026 The artifacts, however, remained missing until April, when two of the three men surrendered the helmet—slightly dented—and two of the bracelets as part of a plea agreement. Tessa Solomon, ARTnews.com, 9 June 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 16 Jun. 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

More from Merriam-Webster on helmet

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster