Dictionary definition for: Surface
2. (n) the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces" "the cloth had a pattern of red dots on a white surface"
5. (n) the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water" "a brush small enough to clean every dental surface" "the sun has no distinct surface"
WordNet 2.1 Copyright Princeton University. All rights reserved.