兄妹 xiōngmèi brother and sister Origin Definitions Defs Strokes Stroke Words Sentences Sents 同胞兄妹 tóngbāoxiōngmèi full siblings full siblings; brothers and sisters of the same parents堂兄妹 tángxiōngmèi paternal cousins children of one's father's brothers; first cousins on the paternal side.