‖ diporpaZool.|daɪˈpɔːpə| Pl. -æ. [f.Gr. δι-, δίς twice, doubly + πόρπη pin of a buckle.] The solitary immature form of a Diplozoon. 1888Rolleston & Jackson Anim. Life 650 The embryo known as Diporpa is at first free-swimming.Ibid., The two Diporpae which make up a single Diplozoon.