facade

Short definition from Wiktionary

Noun

1. 1
   The face of a building, especially the front view or elevation.
2. 2
   The face or front (most visible side) of any other thing, such as the prospect of an organ.
3. 3
   A deceptive or insincere outward appearance.
4. 4
   An object serving as a simplified interface to a larger body of code, as in the facade pattern.