(archaic) an ancient Korean king

those (referring to things distant from the speaker)

(shogi) free king, queen (a piece in chu shogi, dai shogi and larger shogi variants)

(obsolete) Oakland (a city in Alameda, California, United States) / (historical) Ryukyuan royal administration (government)

crown prince

rajah / (historical) Head of the Ryukyu Domain

viceroy; one who governs a country, province, or colony as the representative of a monarch.

the King of the Underworld; either Hades/Pluto in ancient Greco-Roman mythology or King Yama in Hindu-Buddhist belief.

pretender to the position of king

(neologism, uncommon) a prince consort (husband of queen)