Universal Product Code

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

• noun A number and barcode that identify an individual consumer product, often used for tracking inventory.

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

• noun code consisting of a series of vertical bars of variable width that are scanned by a laser; printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information