Nā'id or Nā'is, n.
n. [See NAIAD.] (Zoöl.) A small chætopod worm, destitute of gills along the body, and seizing its food by a protrusion of the roof of the pharynx. It is found in salt and fresh water.
n. [See NAIAD.] (Zoöl.) A small chætopod worm, destitute of gills along the body, and seizing its food by a protrusion of the roof of the pharynx. It is found in salt and fresh water.