n. pl. [Gr. koilos, hollow; poros, passage]1. (BRYOZOA)A body wall pore connecting the coelom with the exterior; the pore at the base of the tentacles through which the ova are extruded; supraneural pore.2. (MOLLUSCA: Cephalopoda)Nautiloid ducts between the pericardial cavity and the exterior.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.