Dictograph Hear it!

Dictograph definition

☆ Dic·to·graph (dik′tə graf′)

a telephonic instrument used for secretly listening to or recording conversations

Etymology: < L dictus, pp. of dicere, to speak (see diction) + -graph

noun

such an instrument

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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