• To prepare and arrange (usually military unit or units) for use.
  • To unfold, open, or otherwise become ready for use.
  • To install, test and implement a computer system or application.



  • Borrowed from French déployer ("to unroll, unfold"), from Old French desploiier, itself from des- + ploiier, or possibly from Late Latin displicāre ("to unfold, display"), from Latin dis- ("apart") + plicare. display.

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