Source : Webster's Revised Unabridged Dictionary (1913)

Photo-engrave \Pho`to-en*grave"\, v. t. [imp. & p. p.
   {Photo-engraved}; p. pr. & vb. n. {Photo-engraving}.] [Photo-
   + engrave.]
   To engrave by a photomechanical process; to make a
   photo-engraving of. -- {Pho`to-en*grav"er}, n.

Photo-engraving \Pho`to-en*grav"ing\, n. [Photo- + engraving.]
   The process of obtaining an etched or engraved plate from the
   photographic image, to be used in printing; also, a picture
   produced by such a process.