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

The no-slip, rain-resistant gadget can be worn just beneath the base of a helmet for comfortable listening. —Joni Sweet, Forbes, 1 Dec. 2024

It can be mounted on helmets to capture adventures hand-free and automatically creates highlight reels of their best moments. —Kristin Canning, SELF, 26 Nov. 2024

Crossman looked to Rome’s Capitoline Museums to research helmet and breastplate designs for the $250 million film, and enlisted an army of global craftspeople to produce the costuming. —Kalia Richardson, Rolling Stone, 24 Nov. 2024

On November 10th, after the San Francisco 49ers’ defensive end Nick Bosa sacked Baker Mayfield during the 49ers’ game against the Tampa Bay Buccaneers, another defensive lineman, Leonard Floyd, came over to Bosa and gently butted helmets. —Louisa Thomas, The New Yorker, 24 Nov. 2024

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