oversite

Adjective

 * 1)  Laid over the ground, or built above an existing site.

Noun

 * 1)  A layer of concrete underneath the ground floor of a building, as a seal
 * 2)  An oversite slab, a slab on grade, a flat, solid layer of concrete laid over prepared ground, usually serving as a base for flooring or for pouring the reinforced concrete floor slab (base plate).

Translations

 * Deutsch: Sauberkeitsschicht, Unterbeton