n. (Zool.) Any worm of the phylum Nematoda; a roundworm; -- they are unsegmented worms having a cylindrical elongated body. They may live freely in soil or water, or as parasites in plants or animals. [ PJC ]
[せんけいちゅう, senkeichuu](n) nematomorph; horsehair worm; gordian worm; hair worm (any of the parasitic nematode-like worms of phylum Nematomorpha)[Add to Longdo]