Definition of "roughcast" [rough•cast]

• A coarse plaster of lime, shells, and pebbles used for outside wall surfaces. (noun)
• A rough preliminary model or form. (noun)
• To plaster (a wall, for example) with roughcast. (verb-transitive)
• To shape or work into a rough or preliminary form. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Down roughcast, down dazzling whitewash, 'wherever an elm arches,"
• "Down roughcast, down dazzling whitewash, ' wherever an elm arches"
• "Bifolding glass doors and windows ran the length of the house, opening out to a wide sun-drenched terrace flanked by roughcast walls smothered in a dark creeper, the outer edge of which fell away with heart-stopping suddenness into a zigzag shaped swimming pool."