Cite
 

Meaning of Dictograph

Dic•to•graph

Pronunciation: (dik'tu-graf", -gräf"), [key]
— Trademark. Trademark.
  1. a brand name for a telephonic device with a highly sensitive transmitter obviating the necessity of a mouthpiece: used for listening to conversations secretly or obtaining a record of them.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.