1. To create a compressed archive (a "zip file") from one or more files using PKWare' s PKZIP or a compatible archiver. Its use is spreading from MS-DOS now that portable implementations of the alGorithm have been written. zip is also the name of a Unix archiving utility compatible with PKZIP. unzip is the corresponding de-archiver. See also gzip, tar and feather. 2. Zip Drive. [JarGon File] (1996-08-26)