pretender to the position of king

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

regicide

nigorobuna (Carassius auratus grandoculis), a type of 鮒 (funa, “crucian carp”), an edible freshwater ray-finned fish related to carp and goldfish, endemic to Lake Biwa in Japan

(offensive, Internet slang) a man whose age is greater than about thirty or forty who lives in one's child room and with one's parent(s).

(traditional Chinese phonology) the onset of a Chinese syllable

(traditional Chinese phonology) the rhyme of a Chinese syllable

a woman who is impregnated and gives birth for another woman: a surrogate mother

a woman who is impregnated and gives birth for another woman: a surrogate mother

(rare, dated) true mother, as opposed to step-mother or foster mother