1. (noun) surface
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"
2. (noun) surface
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"
3. (noun) surface, Earth's surface
the outermost level of the land or sea
"earthquakes originate far below the surface"; "three quarters of the Earth's surface is covered by water"
4. (noun) surface
a superficial aspect as opposed to the real nature of something
"it was not what it appeared to be on the surface"
5. (noun) open, surface
information that has become public
"all the reports were out in the open"; "the facts had been brought to the surface"
6. (adj) airfoil, aerofoil, control surface, surface
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
7. (verb) surface
on the surface
"surface materials of the moon"
8. (verb) surface, come up, rise up, rise
come to the surface
9. (verb) coat, surface
put a coat on; cover the surface of; furnish with a surface
"coat the cake with chocolate"
10. (verb) come on, come out, turn up, surface, show up
appear or become visible; make a showing
"She turned up at the funeral"; "I hope the list key is going to surface again"
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Definition of 'surface' 
