clay - a very fine-grained soil that is plastic when moist but hard when fired

blemish, mar, defect - a mark or flaw that spoils the appearance of something (especially on a person's body); "a facial blemish"

blotch, splodge, splotch - an irregularly shaped spot

fingermark, fingerprint - a smudge made by a (dirty) finger

inkblot - a blot made with ink

painting, picture - graphic art consisting of an artistic composition made by applying paints to a surface; "a small painting by Picasso"; "he bought the painting as an investment"; "his pictures hang in the Louvre"

masonry - the craft of a mason

coat, surface - put a coat on; cover the surface of; furnish with a surface; "coat the cake with chocolate"

daub - apply to a surface; "daub paint onto the wall"

render-set - cover with two coats of plaster; "render-set the walls so they'll look nice and smooth"

parget - apply ornamental plaster to

roughcast - apply roughcast to; "roughcast a wall"

mud - plaster with mud

mortar - plaster with mortar; "mortar the wall"

daub, smear - cover (a surface) by smearing (a substance) over it; "smear the wall with paint"; "daub the ceiling with plaster"

daub, plaster - coat with plaster; "daub the wall"

apply, put on - apply to a surface; "She applied paint to the back of the house"; "Put on make-up!"

blood - smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill

daub - apply to a surface; "daub paint onto the wall"

cover - provide with a covering or cause to be covered; "cover her face with a handkerchief"; "cover the child with a blanket"; "cover the grave with flowers"