1. (n.) The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.

2. (n.) Hence, outward or external appearance.

3. (n.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.

4. (n.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.

5. (v. t.) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.

6. (v. t.) To work over the surface or soil of, as ground, in hunting for gold.

3-D acreage ankle-deep apparent appear appearing area arise bail out bob up border boundary breadth break cover break forth break water burst forth circumference clerestory come come forth come out come up concrete continuum conventionalized cortex cortical cover covering crop up crust cubic cursoriness cursory debouch depthless dimension dimensional disembogue dive effuse emanate emerge emptiness empty space envelope epidermal epidermic epidermis erupt exomorphic expanse expansion extension extent exterior exteriority external extrinsic extrinsically extrude facade face facet feel field finish flat float up flood negative flood the tanks fly up formal formalist formalistic formulary fountain fourth-dimensional fringe front galactic space gloss go below grain granular texture gush impersonal indentation infinite space integument interface interstellar space issue issue forth jejune jet jump out jump up knee-deep knub leap up legalistic light lineaments materialize measure mere scratch nap no depth no water nominal not deep nothingness nub on the surface open ostensible ostensibly out outer outer face outer layer outer side outer skin outer space outermost outline outlying outmost outside outstanding outward outward-facing outwardly pave pedantic peripheral periphery pile pinprick pit plane pock pop up proportion proportional protrude protuberance public ridgepole rig for diving rind rise rocket roof roofpole rooftop roundabout sally sally forth scratch seeming shag shallow shallow-rooted shallowness shell shoal shoaliness shoot up show up side skin skin-deep skyrocket slight slightness space space-time spatial spatial extension spatiotemporal sphere spherical spread spring up spurt start up stereoscopic structure stylized submerge superficial superficial extension superficiality superficially superficies superstratum surface texture tarmac texture thin three-dimensional to all appearances top top floor top side topside topsides tract trivial triviality two-dimensional unprofound upleap upper side upshoot upside upspear upspring upstart vault up veneer visible void volume volumetric wale weave woof