The Collaborative International Dictionary of English v.0.48:

Xerox \Xe"rox\, n. [From a brand name of the Xerox corporation.]
   A copying machine which copies graphic matter by the action
   of light on an electrically charged photoconductive
   insulating surface in which the latent image is developed
   with a resinous powder.

   Syn: xerox, xerographic copier, xerox machine.
        [WordNet 1.5]

   2. A copy made by the xerox process.

   Syn: xerox copy.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

xerox \xe"rox\, v. t.
   To copy a printed document on a xerographic device.
   [WordNet 1.5]

Moby Thesaurus II by Grady Ward, 1.0:

69 Moby Thesaurus words for "Xerox":
   Ditto copy, Photostat, X-ray, Xerox copy, blowup, blueprint,
   calotype, capture on film, clone, contact print, contact printing,
   copy, cyanotype, ditto, double, dupe, duplicate, enlargement,
   facsimile, film, glossy, hectograph, hectograph copy, hologram,
   impress, impression, lantern slide, manifold, matte, microcopy,
   microfilm, microprint, mimeo, mimeograph, mimeograph copy, mug,
   multigraph, negative, offprint, pan, photocopy, photograph,
   photogravure, photomap, photostatic copy, positive, print,
   projection printing, proof, quadruplicate, radiograph, reduplicate,
   replicate, reprint, reproduce, roentgenograph, semi-matte, shoot,
   slide, snap, snapshoot, snapshot, stat, take a photograph,
   talbotype, trace, transcribe, transparency, triplicate