[いしゆみ, ishiyumi] (n) (1) crossbow (inc. large models operated by a number of people); (2) netted apparatus atop a wall containing large stones, which were dropped onto attackers by cutting the net; (3) slingshot; catapult
[とおりま, toorima] (n) (1) random attacker, e.g. person who randomly attacks people on the street; slasher; (2) (original meaning) demon who brings misfortune to houses or people he passes by