辰しん星せい

noun

celestial bodies; stars

General term for stars and other celestial bodies in classical Chinese astronomy. Rare in modern Japanese; mainly encountered in historical texts.

• 古こ代だい中ちゅう国ごくの天てん文もん書しょでは、辰しん星せいは広ひろく天てん体たいを指さす語ごとして使つかわれた。

  In ancient Chinese astronomical texts, 辰星 was used as a broad term for celestial bodies.

noun

bright timekeeping star (e.g. Sirius)

Specifically refers to bright stars used for calendrical or timekeeping purposes in ancient Chinese astronomy. Sirius is a typical example.

• 辰しん星せいの一ひとつであるシリウスは、古こ代だいエジプトでも暦こよみの基き準じゅんとされた。

  Sirius, one of the bright timekeeping stars referred to as 辰星, was also used as a calendar reference in ancient Egypt.

noun

Mercury (in ancient Chinese astronomy)

Historical Chinese astronomical name for the planet Mercury. Not used in modern Japanese astronomy; the standard term is 水星.

• 辰しん星せいは、古こ代だい中ちゅう国ごくで水すい星せいを指さす名めい称しょうの一ひとつであった。

  辰星 was one of the names for Mercury in ancient China.

noun

Chinese "Room" constellation (28 mansions)

Refers to the 'Room' (房) mansion, one of the 28 lunar mansions in traditional Chinese astronomy. Highly specialized historical term.

• 二に十じゅう八はっ宿しゅくの一ひとつである房ぼう宿しゅくは、辰しん星せいとも呼よばれることがある。

  The Room mansion, one of the 28 lunar mansions, is sometimes also called 辰星.