gun muzzle

English Thesaurus

1. the open circular discharging end of a gun (noun.artifact)

hypernym	:	opening,
definition	:	a vacant or unobstructed space that is man-made (noun.artifact)

hyponym	:	gunpoint, point,
definition	:	the gun muzzle's direction (noun.artifact)

part meronym	:	gun,
definition	:	a weapon that discharges a missile at high velocity (especially from a metal tube or barrel) (noun.artifact)