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

Keep scrolling for more

Other Words from helmet

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

Examples of helmet in a Sentence

Recent Examples on the Web Garrett, the Cleveland Browns defensive end, was suspended on Friday for the last six games of this season and perhaps beyond after striking Steelers quarterback Mason Rudolph with Rudolph’s helmet Thursday night. Jason Hoffman, Cincinnati.com, "Report: Former Cincinnati Bengals' LB Vontaze Burfict says NFL's Roger Goodell is a 'b***h'," 16 Nov. 2019 For someone to use a helmet as a weapon is uncalled for. Washington Post, "Garrett loses cool, hits Steelers QB with helmet in brawl," 15 Nov. 2019 While the replay official reviewed the play to make sure the call on the field was correct, Burrell had his helmet off and blood was flowing from his lower lip. Jeff Potrykus, Milwaukee Journal Sentinel, "Iowa had the right call on its 2-point conversion. Wisconsin reacted perfectly.," 13 Nov. 2019 Concussion protocols are now a routine part of the game, as are more stringent safety requirements for helmets. Beth Bragg, Anchorage Daily News, "Boys & Girls Club ends youth football program," 13 Nov. 2019 This has turned out to be a tough quality to capture on film over the decades: The stars are the machines, the men driving them reduced to sitting in a box, their faces partly obscured by helmets. Kyle Smith, National Review, "The Manly Appeal of Ford v Ferrari," 13 Nov. 2019 Not everybody who ends up taking their motorbike uses helmets. Kat Bein, Billboard, "Ed Banger OG SebastiAn Talks Growing Up on 'Thirst' LP: 'A Bridge Between Hip-Hop, Rock, French Touch & Everything'," 8 Nov. 2019 This is also why one of the most common makeshift war memorials is the battlefield cross, a pair of boots with a rifle struck between them, helmet balanced atop the gun. Kiley Bense, Longreads, "Whose Boots on the Ground," 7 Nov. 2019 And at an August presser, journalists tapped their pens on helmets to protest police obstruction of press freedom. Mary Hui, Quartz, "Hong Kong journalists took over a police news conference in protest," 28 Oct. 2019

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.

See More

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

Keep scrolling for more

Learn More about helmet

Statistics for helmet

Last Updated

19 Nov 2019

Time Traveler for helmet

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

See more words from the same century

Keep scrolling for more

More Definitions for helmet


How to pronounce helmet (audio)

English Language Learners Definition of helmet

: a hard hat that is worn to protect your head


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

Kids Definition of helmet

: a protective covering for the head

Keep scrolling for more

Comments on helmet

What made you want to look up helmet? Please tell us where you read or heard it (including the quote, if possible).


concealed or difficult to comprehend

Get Word of the Day daily email!

Test Your Vocabulary

Pass the Little Ribbons: A Pasta Word Quiz

  • rotelle pasta
  • Match the pasta to its meaning in English: Rotelle
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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