'Gastrotricha' definitions:

Definition of 'Gastrotricha'

From: GCIDE

Gastrotricha \Gas*trot"ri*cha\, n. pl., [NL., fr. Gr. ? belly + ?, ?, hair.] (Zool.) A group of small wormlike animals, having cilia on the ventral side. The group is regarded as an ancestral or synthetic one, related to rotifers and annelids. [1913 Webster]