The Collaborative International Dictionary of English v.0.48:

Mimeograph \Mim"e*o*graph\, n. [Gr. ? to imitate + -graph.]
   A copying device that uses a stencil through which ink is
   pressed; it was invented by Edison.

   Syn: mimeo, mimeograph machine, Roneo.
        [1913 Webster + WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

mimeograph \mimeograph\ v. t.
   to make copies of using a mimeograph; as, She mimeographed
   the syllabus.

   Syn: mimeo.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

mimeograph
    n 1: a rotary duplicator that uses a stencil through which ink
         is pressed (trade mark Roneo) [syn: mimeograph, mimeo,
         mimeograph machine, Roneo, Roneograph]
    v 1: print copies from (a prepared stencil) using a mimeograph;
         "She mimeographed the syllabus" [syn: mimeograph,
         mimeo]

Moby Thesaurus II by Grady Ward, 1.0:

99 Moby Thesaurus words for "mimeograph":
   Photostat, Xerox, albertype, book printing, bring out,
   chromotypography, chromotypy, chromoxylography, clone, collotype,
   color printing, copy, ditto, double, dupe, duplicate,
   electronography, electrostatic printing, engrave, facsimile,
   get out, graphic arts, gravure, halftone engraving, hectograph,
   history of printing, impress, imprint, issue, job printing,
   letterpress, letterpress photoengraving, line engraving,
   lithography, lithogravure, lithophotogravure, manifold, microcopy,
   microfilm, mimeo, multigraph, offset, offset lithography, onset,
   overprint, palaeotypography, photo-offset, photochemical process,
   photoengraving, photogelatin process, photographic reproduction,
   photography, photolithography, phototypography, phototypy,
   photozincography, planographic printing, planography, print,
   printing, printmaking, proof, prove, publication, publish,
   publishing, pull, pull a proof, put out, put to bed, put to press,
   quadruplicate, reduplicate, reissue, relief printing, replicate,
   reprint, reproduce, rotary photogravure, rotogravure, run, run off,
   sheetwork, stamp, stat, stencil, strike, three-color printing,
   trace, transcribe, triplicate, two-color printing, typography,
   typolithography, wood-block printing, xerography, xeroprinting,
   xylotypography, zincography