1. unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic; [syn: nematode, nematode worm, roundworm]
WordNet (r) 3.0 (2006):
nematode worm
n 1: unsegmented worms with elongated rounded body pointed at
both ends; mostly free-living but some are parasitic [syn:
nematode, nematode worm, roundworm]