/seuh lee"neuh gas'teuhr, -len"euh-/ , n. Zool.
any of a group of wormlike mollusks, class Solenogastres (formerly Aplacophora), inhabiting deep ocean layers and having fine limy spicules on the covering mantle. Also called aplacophoran .
[ soleno- (comb. form of Gk solén pipe, channel; see -O-) + -gaster gastér paunch, belly ]