Save Type Surname (from location) Usage Chinese Scripts 蔡(Chinese) Pronounced Pron. /t͡sʰaɪ̯/ [key·simplify] Meaning & History From Chinese 蔡 (cài) referring to the ancient state of Cai that existed during the Zhou dynasty in what is now Henan province. Related Names RootcàiUser SubmissionsCái, Cai