n.
Any of various insect-eating spiders of the family Ctenizidae, found in warm climates, that construct a silk-lined burrow concealed by a hinged lid.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.