D defs.my
Entry 1 sense Webster, 1913

Telegraphy

· Te·leg·ra·phy · IPA /təˈlɛɡɹəfi/
01 n. The science or art of constructing, or of communicating by means of, telegraphs; as, submarine telegraphy.
  1. 1.
    The science or art of constructing, or of communicating by means of, telegraphs; as, submarine telegraphy.