polychaeta Meaning, Definition & Usage
-
noun marine annelid worms
class Polychaeta.
WordNet
Pol`y*chæ"ta noun plural
(Also<
- Polychaeta
- Polychæta
)
Etymology
NL., from Gr. many + hair.Definitions
(Zoöl.) One of the two principal groups of Chætopoda. It includes those that have prominent parapodia and fascicles of setæ. See Illust. under Parapodia .
