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

Researchers discover that radio signals inside football helmets cause brain damage. —Filip Bondy, New York Daily News, 31 Dec. 2024

Purdy looked to be in significant pain and took his helmet off moments after attempting to throw the ball. —George Monastiriakos, Newsweek, 31 Dec. 2024

Monday, he was sacked by one Lions defender with another coming down on the elbow with his helmet and face mask. —Matt Barrows, The Athletic, 31 Dec. 2024

His channeling funds into fine-tuning SpaceX’s astro-gear, which features futuristic helmets with instrument readings and other info digitally projected onto golden-colored visors, is only a small part of Isaacman’s incredible philanthropy. —Kevin Holden Platt, Forbes, 30 Dec. 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