mud dauber(redirected from dirt dauber)
Also found in: Thesaurus.
Any of various solitary predatory wasps, especially of the families Sphecidae and Crabronidae, that build nests of mud and provision them with paralyzed prey.
(Animals) any of various wasps of the family Sphecidae, that construct cells of mud or clay in which they lay their eggs and store live insects as food for the developing larvae. See also digger wasp
any of several wasps of the family Sphecidae that build a nest of mud cells and provision it with paralyzed spiders or insects for the larvae to feed on.