- To form in its first rudiments, without revision, correction, or polish.
- To mold without nicety or elegance; to form with asperities and inequalities.
- To plaster with a mixture of lime and shells or pebbles; as, to roughcast a building.
- A rude model; the rudimentary, unfinished form of a thing.
- A kind of plastering made of lime, with a mixture of shells or pebbles, used for covering buildings.