Definition of: rough-cast

(ruf′kast′, -käst′) v.t. -cast, -cast·ing
1. To shape or prepare in a preliminary or incomplete form.
2. To roughen the surface of (pottery) before firing.
3. To coat, as a wall, with coarse plaster, and cover with thin mortar by dashing it on.
—noun
1. Very coarse plaster for the outside of buildings.
2. A rude model; the form of a thing in its first rough stage.
—rough′·cast′er noun