noun

1. 1. the outer face, or exterior, of an object
   2. any of the faces of a solid
   3. the area or extent of such a face
2. superficial features, as of a personality; outward appearance
3. airfoil
4. Geom. an extent or magnitude having length and breadth, but no thickness

Etymology: Fr < sur- (see sur-) + face, face, based on L superficies

adjective

1. of, on, or at the surface
2. intended to function or be carried on land or sea, rather than in the air or under water surface forces, surface mail
3. merely apparent; external; superficial

transitive verb surfaced -·faced, surfacing -·fac·ing

1. to treat the surface of, esp. so as to make smooth or level
2. to give a surface to, as in paving
3. to bring to the surface; esp., to bring (a submarine) to the surface of the water

intransitive verb

1. to work at or near the surface, as in mining
2. to rise to the surface of the water
3. to become known, esp. after being concealed