roughcast

Short definition from Wiktionary

Noun

1. 1
   A crude model.
2. 2
   A rough surface finish, as of a plaster or stucco wall.
3. 3
   A mixture of pebbles or similar material used to finish a plaster or concrete wall.

Verb

1. 1
   To shape crudely; to form in its first rudiments, without correction or polish.
2. 2
   To apply a roughcast finish to.

Adjective

1. 1
   Unpolished.