music / (military, slang) electronic signal jamming

stretching (exercise)

to polish / to grind / to brush (teeth)

to polish / study of ... / to sharpen / inkstone / a surname

think

blade, sharp, sword / cut, slash

room (of a house or hotel), chamber, apartment, flat / (sumo) a stable where rikishi live and train together under a shisho oyakata (stable master)

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

any sharp and thin cutting implement: a blade, edge

a blade, edge