(historical) A gun triggered by a tripwire near a grave, intended to deter body snatchers.

plural of junk gun

(US, firearms, slang) Synonym of Saturday-night special

(historical) A gun that fires a missile by means of steam power.

plural of steam gun

plural of zip gun

plural of cemetery gun

(nautical, orienteering, search and rescue) A firearm designed to shoot a rope across a distance, usually used to pass lines from one ship to another.

plural of space gun

Synonym of gun fu (a style of balletic gunplay in action films) / A fictional martial art based on gun fu.