noun
: a homemade gun that is constructed from a toy pistol or length of pipe, has a firing pin usually powered by a rubber band, and fires a .22 caliber bullet
teen-age gangs with zip guns
noun
: a homemade gun that is constructed from a toy pistol or length of pipe, has a firing pin usually powered by a rubber band, and fires a .22 caliber bullet
teen-age gangs with zip guns
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012