- poriferan Zoology
- poriferan Zoology [pə'rɪf(ə)rən]noun an aquatic invertebrate of the order Porifera; a sponge.adjective relating to poriferans.Originfrom mod. L. Porifera, from L. porus 'pore' + -fer 'bearing'.
English new terms dictionary. 2014.