sandwasp (sand wosp)

A fo orial hymenopterous insect which digs in the sand; a digger-wasp, as of either of the families Pompilidæ and Sphegidæ, and especially of the genus Am mophila. There are many species, and the name is a loose one. Some of these wasps ps belong to the Scoliidæ; others, as of the family Crabronidæ, are also known as sand hornets, and many are popularly called sand- bugs. The general distinction of these wasps is from any of those which build their nests of papery ti ue, or which make their cells above ground. See cuts under Ammophila, sandweed (sand wed), Samandar Crabro, Elis, digger - wasp, and compare potter - wasp. 2. The spurry, Spergula arvensis. [Prov. Eng.] sandweld (sand weld), v. t. To weld with sand (silica), which forms a fluid slag on the weld When the pieces to be welded are put together and haming-surface: a common method of welding iron. mered, the slag is forced out and the metallic surfaces left bright and free to unite. sand-whirl (sand'hwerl), n. A whirlwind whose vortex is filled with dust and sand. See sand spout.