parking lot

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An area for parking motor vehicles.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun North America An open area, generally paved, where automobiles may be left when not in use.
• noun US, figuratively A major thruway blocked by stop and go traffic.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a lot where cars are parked