玄げん兎とげんとMeanings1nounmoonarchaicArchaic literary term for the moon, associated with the mythical rabbit in the moon. Not used in modern conversation.古ふるい和わ歌かに「玄げん兎と」という言こと葉ばが月つきを指さして使つかわれている。In old waka poems, the word 玄兎 is used to refer to the moon.