ˈrɪmfaɪər

Definitions

1. noun

A type of firearm that discharges a projectile by means of a flame from a tube or pan, especially a cartridge or shell with a primer in the rim.

“The hunter used a .22 rimfire rifle to hunt small game.”

2. adjective

Of or relating to a firearm that discharges a projectile by means of a flame from a tube or pan.

“The rimfire cartridges were loaded into the rifle.”