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n. pl. chae·tae (-tē′)
A bristle or seta, especially of an annelid worm.

[New Latin, from Greek khaitē, long hair.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n, pl -tae (-tiː)
(Zoology) any of the chitinous bristles on the body of such annelids as the earthworm and the lugworm: used in locomotion; a seta
[C19: New Latin, from Greek khaitē long hair]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈki tə)

n., pl. -tae (-tē).
a bristle or seta, esp. of an annelid worm.
[1860–65; < New Latin < Greek chaítē long hair]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chaeta - a stiff chitinous seta or bristle especially of an annelid worm
seta - a stiff hair or bristle
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Notopodia with three tiny simple chaetae, one pectinate chaeta and two tapered chaetae, one longer and wider than the other.
Morphologically, the PFI seedlings were characterized by witches' broom, shortened internodes, swollen terminal buds, yellowing of leaves, and smaller leaves without chaeta. After the 15 and 75 mgx[L.sup.-1] DMS treatments, the seedlings recovered a healthy morphology, such as normal internodes and terminal buds, no axillary buds, and green leaves with chaeta.
Setae are present externally over the body of earthworms ,so these are classified under class Oligochaeta(latin : 'oligos' = few; 'chaeta' = heir like).
Michalakus, a remarkable new genus of microchaetid earthworm from South Africa (Oligo chaeta: Microchaetidae).
Some genetic tests on asymmetry of sternopleural chaeta number in Drosophila.
Neither chaeta nor parapodium is present in any segment, although clear dissepiments can be recognized.
4); no companion chaetae with anterior hooded hooks in holotype, but present on one ramus each on chaetigers 7 and 8 in one specimen; last two chaetigers with fine capillary companion chaeta.