壬辰 rénchén 29th year of the sexagenary cycle Origin Definitions Defs Strokes Stroke Words Sentences Sents 壬 rén [9th heavenly stem] The ninth of the ten Heavenly Stems; often used as a placeholder for the ninth item in a list or sequence.辰 chén [5th earthly branch] The fifth of the twelve Earthly Branches, associated with the Dragon in the Chinese zodiac.