合一 héyī to merge into one Definitions Defs Origin Strokes Stroke Words Sentences Sents héyī to merge into one 合 hé verb to join to close; to shut; to join; to combine; to pool (efforts, etc.)一 yī numeral same same; identical; unifiedhéyī to be unified 合 hé verbadjective to fit to conform to; to suit; to be in accord with; to match一 yī numeral same same; identical; unified