Source : Webster's Revised Unabridged Dictionary (1913)

Nematode \Nem"a*tode\, a. & n. (Zo["o]l.)
   Same as {Nematoid}.

Source : WordNet®

nematode
     n : unsegmented worms with elongated rounded body pointed at
         both ends; mostly free-living but some are parasitic
         [syn: {nematode worm}, {roundworm}]