鎮ちん星せいちんせいMeanings1nounSaturn (planet)rare termRare historical term for the planet Saturn, used in classical Chinese astronomy and old Japanese texts. In modern Japanese, 土星 (どせい) is the standard word.See also: 土星鎮ちん星せいは、古こ代だい中ちゅう国ごくで土ど星せいを指さし
