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mason wasp

noun
1.
any of several solitary wasps, as Rygchium dorsale, that construct nests of mud or clay.
Origin
1785-1795
1785-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for mason wasp

mason wasp

noun
1.
a solitary wasp of the genus Odynerus that excavates its nest in sand or the mortar of old walls
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
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