food bank

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

• noun An organization that collects donated or surplus foodstuffs and distributes them free or at low cost to programs or organizations serving people in need.

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

• noun a non-profit, charitable organization that distributes mostly donated food to a wide variety of agencies that in turn feed the hungry.

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

• noun a place where food is contributed and made available to those in need