Gastrotricha
Pronunciation : Gas*trot"ri*cha, n. pl.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913