天坛座 tiāntánzuò Ara Origin Definitions Defs Strokes Stroke Words Sentences Sents 天坛 天壇 tiāntán altar to heaven A high platform or altar used by ancient Chinese emperors to offer sacrifices to heaven and pray for good harvests座 zuò nounproper noun constellation (bound form) star cluster or constellation, usually seen in words like 星座 xīngzuò