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