Roughcast
Roughcast , transitive verb
1.
To form in its first rudiments, without revision, correction, or polish. — Dryden
2.
To mold without nicety or elegance; to form with asperities and inequalities.
3.
To plaster with a mixture of lime and shells or pebbles; as, to roughcast a building.
Roughcast , noun
1.
A rude model; the rudimentary, unfinished form of a thing.
2.
A kind of plastering made of lime, with a mixture of shells or pebbles, used for covering buildings. — Shakespeare