automatic firearm

Thesaurus

Noun

1.

automatic firearm - a firearm that reloads itself and keeps firing until the trigger is releasedautomatic gun, automatic weaponautoloader, self-loader - a firearm that reloads itselfautomatic pistol, automatic - a pistol that will keep firing until the ammunition is gone or the trigger is releasedautomatic, automatic rifle, machine rifle - light machine gunmachine gun - a rapidly firing automatic gun (often mounted)