Definition: telegraphy

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Source: WordNet (r) 1.7 

telegraphy
     n 1: communicating at a distance by electric transmission over
          wire
     2: apparatus used to communicate at a distance over a wire
        (usually in Morse code) [syn: telegraph]

Source: Webster's Revised Unabridged Dictionary (1913) 

Telegraphy \Te*leg"ra*phy\, n. [Cf. F. t['e]l['e]graphie.]
   The science or art of constructing, or of communicating by
   means of, telegraphs; as, submarine telegraphy.