三代 sāndài three generations Origin Definitions Defs Strokes Stroke Words Sentences Sents sāndài three generations 三 sān numeral three the number three; 3代 dài nounmeasure word generation a step in a line of family descent; the period of time between the birth of parents and their childrensāndài the Three Dynasties 三 sān numeral three the number three; 3代 dài nounadjective era (historical) a historical period; a dynasty or stage in history