旋玑 xuánjī armillary sphere Definitions Defs Origin Strokes Stroke Words Sentences Sents xuánjī armillary sphere 旋 xuán verb to revolve to revolve; to circle; to spin; to whirl玑 璣 jī astronomical instrument (bound form) an ancient astronomical device used to observe the starsxuánjī Big Dipper 旋 xuán verb to revolve to revolve; to circle; to spin; to whirl玑 璣 jī star name (literary) the third star of the Big Dipper, now commonly called 天玑 tiānjī