A plan of a floor of a building drawn as if seen from overhead.(noun)
A preliminary plan or strategy: the ground plan for an invasion. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "ground plan" in a sentence
"The inexplicable wealth of Abbè Saunière of Rennes-le-Cháteau allowed him to build an elaborate top: seen here in the ground plan drawn by French artist Alain Fèral, laid out according to occult and Masonic principles."
"a memorial medal of Caradosos, dated 1506, the original ground plan was a pure Greek cross, the termination of whose arms was apsidal on the interior, rectangular on the exterior."