trapdoor spider

(redirected from Ctenizoidea)
Also found in: Encyclopedia.
Related to Ctenizoidea: trapdoor spiders

trap·door spider

 (trăp′dôr′)
n.
Any of various spiders of the family Ctenizidae, found in warm climates, that construct a silk-lined burrow concealed by a hinged lid.
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.