submachine gun

from WordNet (r) 3.0 (2006)
submachine gun
    n 1: machine gun that is a portable automatic firearm
    
from The Collaborative International Dictionary of English v.0.48
machine gun \machine gun\ n.
   A fully automatic rapid-firing rifle, which continues to fire
   bullets repeatedly as long as the trigger is depressed;
   lighter versions may be carried in the hands, and heavier
   versions may be mounted on a tripod, vehicle, or other mount.
   The lighweight versions are sometimes called a {submachine
   gun}.
   [PJC] machine-gun
    

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