Zipper Definition
 zĭpər 
  zippered, zippers
  
    noun
  
 
    zippers
  
A person or thing that zips.
 Webster's New World 
A device used to fasten and unfasten two adjoining edges of material, as on the placket of a dress, the fly of a pair of trousers, etc.: it consists of two rows of tiny interlocking tabs which are joined or separated by sliding a part up or down.
 Webster's New World 
An oblong, horizontal, rectangular electronic sign on which moving messages of text, data, etc. may be scrolled, using flashing lights, LED displays, etc.
 Webster's New World 
(chiefly US, Australia) A zip fastener.
 Wiktionary 
Synonyms: 
  
    verb
  
 To fasten or unfasten or become fastened or unfastened with a zipper; zip.
 American Heritage 
To fasten or become fastened by means of a zipper.
 Webster's New World 
To close a zipper.
 He zippered his sweater against the cold.
 Wiktionary 
To put a zipper on an article.
 This Fall jackets are zippered.
 Wiktionary 
Other Word Forms of Zipper
Noun
Singular:
 zipperPlural:
 zippersOrigin of Zipper
-  
1925, zip + -er. The trade name was registered in 1925 by B.F. Goodrich for “boots made of rubber and fabric," claiming use of the name since June 1923. No longer a registered trademark.
From Wiktionary
 Originally a trademark
From American Heritage Dictionary of the English Language, 5th Edition
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