grade slab

grade slab

[′grād ‚slab]
(civil engineering)
A reinforced concrete slab placed directly on the ground to provide the foundation for the superstructure.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

grade slab

A reinforced concrete slab, set directly on the ground, which serves as the foundation for the structure above.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.