1. the purely external aspect of a thing; superficial appearance; - Example: "the audience was held by the substance of the play rather than by the superficies of the production"-R.W.Speaight
2. outer surface of an area or a body;
The Collaborative International Dictionary of English v.0.48:
Superficies \Su`per*fi"cies\, n. [L., fr. super above, over +
facies make, figure, shape. See Surface.]
1. The surface; the exterior part, superficial area, or face
of a thing.
2. (Civil Law)
(a) Everything on the surface of a piece of ground, or of
a building, so closely connected by art or nature as
to constitute a part of it, as houses, or other
superstructures, fences, trees, vines, etc.
(b) A real right consisting of a grant by a landed
proprietor of a piece of ground, bearing a strong
resemblance to the long building leases granted by
landholders in England, in consideration of a rent,
and under reservation of the ownership of the soil.
WordNet (r) 3.0 (2006):
n 1: the purely external aspect of a thing; superficial
appearance; "the audience was held by the substance of the
play rather than by the superficies of the
2: outer surface of an area or a body
Bouvier's Law Dictionary, Revised 6th Ed (1856):
SUPERFICIES. A Latin word used among civilians. It signifies in the edict of
the praetor whatever has been erected on the soil, quidquid solo
inoedificdtum est. Vide Dig. 43, tit. 18, 1. 1 and 2.