(informal) large bicep that appears when flexing

骨学者: osteologist

(ACG) girl who uses the masculine pronoun おれ (ore)

(ACG) girl who uses the masculine pronoun ぼく (boku)

(Saga) to tickle

(poetic) Synonym of ゆうやけ (yuuyake), chiefly used in song lyrics for rhythm; こやけ (koyake) has no particular meaning

(idiomatic) Speak no ill-fated words; let no feeding cause you ailment; literally Diseases enter through the mouth, disasters come out of the mouth.

(respectful) your house, your residence / (respectful, men's speech) you (used to address someone of equal social footing)

princess / concubine / woman

(obsolete, Okinawa) castle