helmet

noun

hel·​met ˈhel-mət 

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

ˈhel-mə-təd 

adjective

helmetlike

ˈhel-mət-ˌlīk 

adjective

Examples of helmet in a Sentence

Recent Examples on the Web

Even some of the most traditional powers that the sport has to offer have busted out some new uniform combinations to get their fans excited (think Georgia's all-white threads and matching white helmet). — Austin Perry Outkick, FOXNews.com, 13 Oct. 2026

Wearing spiked gloves, a helmet and protective padding, the 5-foot-6, 205-pound LaPenna held his own against all three bots. — Los Angeles Times, 13 Oct. 2026

Smith did not take the field on Monday evening after he was hit on the helmet while batting and underwent a concussion test. — ABC News, 13 Oct. 2026

The glasses, which are priced at about $1,300, aren’t anything like the Quest VR headsets Meta has been selling for years, which weigh about 18 ounces and look like a visor or helmet rather than glasses. — Lisa Eadicicco, CNN Money, 13 Oct. 2026

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

Phrases Containing helmet

• crash helmet
• pith helmet

Kids Definition

helmet

noun

hel·​met ˈhel-mət 

1

: a covering or enclosing headpiece of armor

2

: any of various protective head coverings usually made of a hard material

helmetlike

-ˌlīk 

adjective