Gordiacea :: Gordiacea (n. pl.) A division of nematoid worms, including the hairworms or hair eels (Gordius and Mermis). See Gordius, and Illustration in Appendix..
Gordian :: Gordian (a.) Pertaining to Gordius, king of Phrygia, or to a knot tied by him; hence, intricate; complicated; inextricable..
Gordian :: Gordian (a.) Pertaining to the Gordiacea.
Gordius :: Gordius (n.) A genus of long, slender, nematoid worms, parasitic in insects until near maturity, when they leave the insect, and live in water, in which they deposit their eggs; -- called also hair eel, hairworm, and hair snake, from the absurd, but common and widely diffused, notion that they are metamorphosed horsehairs..
Polygordius :: Polygordius (n.) A genus of marine annelids, believed to be an ancient or ancestral type. It is remarkable for its simplicity of structure and want of parapodia. It is the type of the order Archiannelida, or Gymnotoma. See Loeven's larva..