communicating at a distance by electric transmission over wire
<noun.communication>
apparatus used to communicate at a distance over a wire (usually in Morse code)
<noun.artifact>
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.