Source : Webster's Revised Unabridged Dictionary (1913)

Photogravure \Pho`to*grav"ure\, n. [F.]
   A photoengraving; also, the process by which such a picture
   is produced.

Source : WordNet®

photogravure
     n 1: printing from an intaglio plate prepared by photographic
          methods
     2: an intaglio print produced by gravure [syn: {gravure}, {heliogravure}]
     3: using photography to produce a plate for printing [syn: {rotogravure}]