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polychaete

[pol-i-keet] /ˈpɒl ɪˌkit/
noun
1.
any annelid of the class Polychaeta, having unsegmented swimming appendages with many setae or bristles.
adjective
2.
Also, polychaetous. belonging or pertaining to the Polychaeta.
Origin
1885-1890
1885-90; < Neo-Latin Polychaeta < Greek polychaítēs having much hair. See poly-, chaeta
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for polychaete

polychaete

/ˈpɒlɪˌkiːt/
noun
1.
any marine annelid worm of the class Polychaeta, having a distinct head and paired fleshy appendages (parapodia) that bear bristles (chaetae or setae) and are used in swimming: includes the lugworms, ragworms, and sea mice
adjective
2.
of, relating to, or belonging to the class Polychaeta
Word Origin
C19: from New Latin, from Greek polukhaitēs: having much hair; see chaeta
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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polychaete in Science
polychaete or polychete
  (pŏl'ĭ-kēt')   
Any of various often brightly colored annelid worms of the class Polychaeta. Each segment of a polychaete has a pair of fleshy appendages that are tipped with bristles (setae), used for swimming or burrowing. Most species of polychaetes live in saltwater, feed on tiny aquatic animals and plants, and range in size from a few millimeters to 3 m (10 ft) in length. Compare oligochaete.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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