- any worm of the phylum Nemathelminthes (now usually broken up into several phyla), including the nematodes and hairworms, having an elongated, unsegmented, cylindrical body.
Origin of nemathelminth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any unsegmented worm of the group Nemathelminthes, including the nematodes, nematomorphs, and acanthocephalans
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012