子母 zǐmǔ interest and capital Origin Definitions Defs Strokes Stroke Words Sentences Sents 子母弹 zǐmǔdàn cluster bomb A type of military munition that contains and disperses smaller submunitions or projectiles over a wide area.子母扣 zǐmǔkòu snap fastener 子母炮弹 zǐmǔpàodàn cluster bomb artillery cluster bomb子母炸弹 zǐmǔzhàdàn cluster bomb