ˌpälēˈgȯ(r)dēəs, -lə̇ˈg- noun
Usage: capitalized
Etymology: New Latin, probably from poly- + Gordius, legendary founder of Phrygia — more at gordian knot
: a genus (the type of the family Polygordiidae) comprising slender cylindrical many-segmented marine annelid worms belonging to the class Archiannelida and having the segmentation externally obscure and the sexes separate