Logo
dictionary thesaurus

AR15

noun
\ ˈāˈär(ˈ)fif¦tēn\
variants: or AR15 rifle
plural -s

Definition of AR15

: a . 223 caliber gas-operated semiautomatic rifle that is essentially a civilian version of the M16

First Known Use of AR15

1963, in the meaning defined above

History and Etymology for AR15

from Armalite, the manufacturer

Keep scrolling for more

WORD OF THE DAY

Yankee

play

See Definitions and Examples

Get Word of the Day daily email!