'zipper' definitions:

Definition of 'zipper'

From: WordNet
noun
A fastener for locking together two toothed edges by means of a sliding tab [syn: slide fastener, zip, zipper, zip fastener]
verb
Close with a zipper; "Zip up your jacket--it's cold" [syn: zip up, zipper, zip] [ant: unzip]

Definition of 'zipper'

From: GCIDE
  • zipper \zip"per\, n.
  • 1. a device for locking together two toothed edges by means of a sliding tab.
  • Syn: slide fastener, zip, zip-fastener. [WordNet 1.5]