(honorific) older brother

(historical) "exit from Asia and entry into Europe", a Meiji-era political philosophy regarding the Japanese state

(chemistry) aniline

anthocyanin

a small hawk / a male hawk / musket, male sparrowhawk

(archaic, women's speech) an intimate form of address for a male by a female: "my brother"

elder brothers and sisters; elder sibling

(archaic) a noblewoman who is elder sister to another one in her family

to become young / to be reborn

(grammar) Clipping of ラ行変格活用 (ra-gyō henkaku katsuyō): r-irregular conjugation