1) Angleworm 2) Earthworm 3) Fishworm 4) Nightcrawler 5) Nightwalker 1) Annelid 2) Annelid worm 3) Oligochaete worm 4) Segmented worm 
any worm of the class Oligochaeta (phylum Annelida). About 3,200 living species are known, the most familiar of which is the earthworm (q.v.), ... [4 related articles]
[n] - hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
oligochaete A freshwater or terrestrial worm; such as, an earthworm that has a body consisting of numerous similar segments with small, or few, projections resembling bristles.
oligochaete worm noun hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body