† 1. pŏrus, i, m., = πόρος, a passage, channel in the body: cordis sui, Ambros. Hexaëm. 3, 9, 39; of the air passages, Isid. 11, 1, 80; cf.: pori meatus, Plin. 20, 21, 84, § 228 (al. permeatus).