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 Riddell, another helmet company, declined to make any representatives available for interviews. Nathan Baird, cleveland, "Do Ohio State and other college football teams need masks to practice and play during COVID-19?," 7 July 2020 Among the items being discussed with players are adding names of victims on helmet decals or jerseys patches, as well as educational programs and storytelling (such as additional PSAs about the victims and their families). Jill Martin, CNN, "The NFL plans to play the Black national anthem before Week 1 games," 2 July 2020 According to the police burglary bulletin, the gray, 2017 Ford Fusion was equipped with a police radio and that an SFPD jacket, a 26-inch baton and a riot helmet were inside the vehicle at the time of the theft. Phil Matier, SFChronicle.com, "SF officer goes home after protests, only to have his car boosted. When it’s found, nothing missing," 21 June 2020 And several drivers, Wallace included, severed ties with a popular helmet designer this week over social media posts largely related to the flag. Mark Heim | Mheim@al.com, al, "How to watch NASCAR’s Dixie Vodka 400 (6/14) live stream: TV, time, lineup for Homestead," 14 June 2020 Already an Amazon best-seller, it can be worn as a helmet liner, headband, handkerchief, and, most importantly, a face mask to meet CDC recommendations. Braelyn Wood, Health.com, "8 Lightweight Face Masks for More Airflow and Less Glasses Fog This Summer," 10 June 2020 The round went through the officer's shield and struck his helmet. Jay Cannon, USA TODAY, "Multiple officers shot during overnight protests in St. Louis, Las Vegas," 2 June 2020 One deputy was hit in the head with a hard object, while a second was injured when a firework struck his helmet, Hillsborough County Sheriff Chad Chronister wrote on Twitter. Fox News, "Florida deputy slashed in neck, other officers injured as businesses looted and torched amid violent protests," 1 June 2020 For those among the Dallas Cowboys fan base who still wish to one day see a star land on the helmet of Jamal Adams, the dream lives on. Joey Hayden, Dallas News, "New York Jets safety Jamal Adams requests trade, source says," 18 June 2020

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

Time Traveler for helmet

Time Traveler

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

See more words from the same century

Statistics for helmet

Last Updated

11 Jul 2020

Cite this Entry

“Helmet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/helmet. Accessed 13 Jul. 2020.

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).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?


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!