[1] : The Collaborative International Dictionary of English v.0.48

nematoda \nem`ato"da\, prop. n. pl. zool.
   a phylum of worms, having a long, round, and generally smooth
   body; the roundworms. they are mostly parasites, in plants
   and animals, but some are free-living in soil or water. also
   called nematoidea.
   1913 webster +pjc
see also:
nematoidea 

[2] : The Collaborative International Dictionary of English v.0.48

nematoidea \nem`atoi"dea\, prop. n. pl. nl., fr. gr. nh^ma,
   nh`matos, thread + -oid. zool.
   a phylum of worms, having a long, round, and generally smooth
   body; the roundworms. called also nematodea, and more
   commonly nematoda. formerly, it was classed as a taxonomic
   order.
   1913 webster +pjc

   note: the trichina, stomach worm, and pinworm of man belong
         to this group. see also vinegar eel, under vinegar,
         and gapeworm.
         1913 webster
see also:
nematodea nematoda vinegar eel vinegar gapeworm 

[3] : WordNet (r) 2.0

nematoda
     n : unsegmented worms: roundworms; threadworms; eelworms syn: phylum
         nematoda, aschelminthes, phylum aschelminthes
see also:
phylum nematoda aschelminthes phylum aschelminthes 

Nematoda >> N Words
Nematoda, definition of term: Nematoda
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