trap-door spider

trap-door spider

noun
any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.

Origin:
1820–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Trap-door spider is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a gadget; dingus; thingumbob.
Collins
World English Dictionary
trap-door spider
 
n
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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

trap-door spider

any member of the spider family Ctenizidae and certain members of the families Antrodiaetidae, Actinopodidae, and Migidae (order Araneida). Trap-door spiders construct burrows in the ground; at the entrance they build a silken-hinged door. The spider feeds by quickly opening the trap door and grabbing an insect that is passing close by

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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