Mason wasp Meaning, Definition & Usage

  1. noun solitary wasp that constructs nests of hardened mud or clay for the young
  2. noun any of various solitary wasps that construct nests of hardened mud for their young

WordNet


Definitions
  1. (Zoöl.), any wasp that constructs its nest, or brood cells, of hardened mud. The female fills the cells with insects or spiders, paralyzed by a sting, and thus provides food for its larvæ

Webster 1913