roughcast
1. [ noun ] a coarse plaster for the surface of external walls
Related terms: plaster
2. [ verb ] hew roughly, without finishing the surface
Synonyms: rough-hew
Examples:

"rough-hew stone or timber"

Related terms: hew
3. [ verb ] apply roughcast to (as of a wall)
Related terms: plaster
4. [ verb ] shape roughly
Related terms: shape
5. [ noun ] a rough preliminary model
Related terms: model model rough-hew