The word "submachine" refers to a type of compact firearm that is smaller than a regular machine gun. It is designed to be easily carried and used by a single person. Full definition
Uday was driving to a party in a two - car caravan with bodyguards when gunmen peppered his car with submachine gun fire. (si.com)
Hear the sweet screams of your victims as you strafe them with submachine gun fire or explode them with grenades and roast... (toucharcade.com)
The Super Saints Pack offers two male and two female superhero outfits, as well as a Large Submachine Gun for 2,39 GBP Sony / 1,99 GBP Microsoft. (jamiex66.com)