[ see-tuh ]
/ ˈsi tə /
noun, plural se·tae [see-tee] /ˈsi ti/. Biology.
a stiff hair; bristle or bristlelike part.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Origin of seta
First recorded in 1785–95, seta is from the Latin word sēta, saeta bristle
OTHER WORDS FROM setase·tal, adjective
Words nearby seta
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for setal
/ (ˈsiːtə) /
noun plural -tae (-tiː)
(in invertebrates and some plants) any bristle or bristle-like appendage
(in mosses) the stalk of the sporophyte that bears the capsule
Derived forms of setasetaceous (sɪˈteɪʃəs), adjectivesetaceously, adverbsetal, adjective
Word Origin for seta
C18: from Latin
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
Medical definitions for setal
[ sē′tə ]
n. pl. se•tae (-tē)
A stiff hair, bristle, or bristlelike process or part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for setal
[ sē′tə ]
Plural setae (sē′tē)
A stiff hair, bristle, or bristlelike process or part on an organism. Setae on the bodies of spiders are used as sensory organs, while setae on the bodies of many polychaete worms, such as earthworms, are used for locomotion. Microscopic setae on the feet of geckos allow adhesion to vertical surfaces.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.