unzipper

English

Etymology 1

From un- +‎ zipper.

Verb

unzipper (third-person singular simple present unzippers, present participle unzippering, simple past and past participle unzippered)

1. (transitive) To unzip.
   • 1998, Robert J. Andreach, Creating the self in the contemporary American theatre, page 30:

     He unzippers his fly, but he does not ask Mae to come to him as Lloyd did in scene 1.

Etymology 2

From unzip +‎ -er.

Noun

unzipper (plural unzippers)

1. (computing) A program that extracts files from compressed archives.
   • 1992 March 31, PC Mag, volume 11, number 6:

     The problem is that you may not have the necessary unzipper.

   • 1995, Urban A. LeJeune, Jeff Duntemann, Mosaic and Web Explorer, page 202:

     Which comes first, the ZIP file or the unzipper? You can't uncompress a file containing PKUNZIP unless you first have PKUNZIP.