.22

or twen·ty-two

[ twen-tee-too, twuhn- ]
/ ˈtwɛn tiˈtu, ˈtwʌn- /

noun, plural .22s, .22's.

a rifle or pistol using a cartridge .22 inch in diameter and of varying length.
the cartridge itself.

Origin of .22

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019