転てん瞬しゅんMeanings1nounblink of an eye; instant; momentobsolete termObsolete literary term for a very short moment; modern Japanese uses 瞬間 or 瞬時 instead. Cross-referenced with 瞬時.See also: 瞬時「転てん瞬しゅん」は、昔むかしの文ぶん章しょうで「瞬しゅん時じ」と同おなじ意い味みで使つかわれた。In old writing, 転瞬 was used with the same meaning as 瞬時.