from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various annelid worms of the class Polychaeta, including mostly marine worms such as the lugworm, and characterized by fleshy paired appendages tipped with bristles on each body segment.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of many annelid worms, of the class Polychaeta, such as the lugworm; they have a segmented body with pairs of bristles on each segment.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles
New Latin Polychaeta, class name, from Greek polukhaitēs, with much hair : polu-, poly- + khaitē, long hair.(American Heritage® Dictionary of the English Language, Fourth Edition)
A paper in last week's Science1 was about the temperature tolerance of the polychete worm Paralvinella sulfincola that lives near deep-sea hydrothermal vents.