a. Zool. [f. Gr. ἀ priv. + mod.L. porōsus POROUS, f. L. porus, a. Gr. πόρ-ος passage: see -OSE.] Not porous, imperforate; spec. applied to the corals of the sub-order Aporosa.
1865. Duncan, in Athenæum, No. 1979., 441/1. ‘A Description of Two New Species of Aporose Madreporaria, from Guernsey,’ by Dr. Duncan.
1877. Huxley, Anat. Inv. Anim., iii. 163. The simple aporose corals.
