五胞胎 wǔbāotāi quintuplets Origin Definitions Defs Strokes Stroke Words Sentences Sents 五 wǔ numeral five the number five; 5胞 bāo noun [sibling] (bound form) born of the same parents; full sibling胎 tāi noun fetus fetus; embryo; unborn baby; also refers to the womb containing the fetus