any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.
Origin of trap-door spider
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for trap-door spider
any of various spiders of the family Ctenizidae that construct a silk-lined hole in the ground closed by a hinged door of earth and silk
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