Sur"face` (?), n. [F. See Sur-, and Face, and cf. Superficial.] 1. 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.
The bright surface of this ethereous mold.
Milton.