(Japanese fiction, pornography) the one who fucks other characters

(military) reserve service

one who sets fire / (by extension) one responsible for something's popularity, etc.

visiting to ask after someone's health / letters or gifts presented when doing so

also

a forged blade, such as a sword / the wavy pattern formed in the metal on the surface of a forged blade / a sword or similar edged weapon / something sharp like a sword / someone or something powerful

bad luck, evil

Alternative form of 欅

to boil / to wash / to cleanse / to soak

flame