(weaponry) a traditional Japanese shortsword, often used as a secondary weapon to a katana

harmonious / friendly

armpit hair; underarm hair

(idiomatic) to be vulnerable / (sumo) poor at preventing one's opponent from getting an underarm grip

the side of something (this sense may also be spelled 傍 or 側). / a tangent, such as in a conversation

supporting role, supporting actor

both sides

a surname

a surname

a ballad