helmet
Americannoun
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helmets
plural
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any of various forms of protective head covering worn by soldiers, firefighters, divers, cyclists, etc.
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medieval armor for the head.
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(in fencing, singlestick, etc.) a protective device for the head and face consisting of reinforced wire mesh.
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anything resembling a helmet in form or position.
noun
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a piece of protective or defensive armour for the head worn by soldiers, policemen, firemen, divers, etc
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biology a part or structure resembling a helmet, esp the upper part of the calyx of certain flowers
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of helmet
1400–50; late Middle English < Middle French healmet, helmet, diminutive of helme helm 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The helmet was kept at the warden’s office, where Castillo said he used it most mornings.
From The Wall Street Journal ● Oct. 1, 2026
In the basement: what I believe are my first pair of hockey skates, a broken papier-mâché Groucho Marx puppet, and a Green Bay Packers helmet I hand-painted in fourth grade.
From MarketWatch ● Sep. 29, 2026
Eiko Ishioka designed the blood-red battle armor with a ribbed surface evoking both exposed human musculature and an armadillo’s shell, while the pointed helmet foreshadows the wolf Dracula later becomes.
From Los Angeles Times ● Sep. 25, 2026
For 25 years, the only physical trace Juliette Scauso had from the last day of her father's life was his mangled firefighter helmet.
From BBC ● Sep. 10, 2026
I peeled off my helmet and linked my arm through hers.
From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas
The photos showed the Lincoln football players posing behind the counter and drive-thru window dressed in their football uniforms and helmets.
From Los Angeles Times ● Sep. 30, 2026
Hundreds of workers in yellow helmets carry heavy equipment into the building site as welding sparks fly off metal scaffolding.
From BBC ● Sep. 22, 2026
Then Border Patrol Sector Chief Gregory Bovino, who had been leading the immigration operations in California, was among those outside the event, joined by agents in helmets, camouflage, masks and holding guns.
From Los Angeles Times ● Sep. 19, 2026
Light Helmets is using endorsement deals and bypassing team equipment managers to market its lightweight football helmets.
From The Wall Street Journal ● Sep. 13, 2026
Dressed in forest green, they were wearing helmets designed to fend off tiger attacks—metal shields covered the backs of their necks.
From "Tiger Boy" by Mitali Perkins
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
