zipper clause


zip·​per clause
: a clause in a labor contract indicating that the agreement is an exclusive and complete expression of consent

Note: A zipper clause may constitute a waiver of the right to bargain over issues negotiated in or outside the terms of a contract until its expiration.

Word History


from the comparison of such a clause to the closing action of a zipper

Dictionary Entries Near zipper clause

Cite this Entry

“Zipper clause.” Legal Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

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