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An old name for the nematode genus Dracunculus, properly applied to members of the phylum Nematomorpha, commonly called the gordian or horsehair worms, hair worms, or hair snakes.
[L., fr. G. Gordios, king of Gordium in Phrygia; an allusion to the knotlike twistings of these worms]
Gordius,in Greek mythology, a peasant in a cart who became the king of Phrygia after an oracle's prediction; he tied his cart to a pole with a complicated knot which was later severed, legend has it, by Alexander the Great.
Gordius worm - long, thin parasites resembling horse hairs, often existing in an intricately tangled mass. Synonym(s): horse hair worm