foundation mat[fau̇n′dā·shən ‚mat]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A large, thick concrete slab that sustains the load imposed by a number of columns and/or walls; also called a raft foundation or floating foundation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.