commercial unit n: an item or group of items defined under section 2-105 of the Uniform Commercial Code as being viewed in commerce as a single whole that would be diminished in value if divided NOTE: Under U.C.C. section 2-606, when a part of a commercial unit is accepted by a buyer, the entire commercial unit is deemed to be accepted.
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.