rough•cast(ruf′kast′, -käst′),USA pronunciationn., v.,-cast, -cast•ing. n.
BuildingAlso called spatter dash. an exterior wall finish composed of mortar and fine pebbles mixed together and dashed against the wall. Cf. pebble dash.
a crudely formed pattern or model.
v.t.
Buildingto cover or coat with roughcast.
to make, shape, or prepare in a rough form:to roughcast a story.