telegraph telegraph /ˈtɛləˌgræf/

noun

1. () Apparatus used to communicate at a distance over a wire (usually in Morse code)  ( telegraphy , telegraph )
   apparatus used to communicate at a distance over a wire (usually in Morse code)
    The telegraph revolutionized long-distance communication in the 19th century.
   The telegraph revolutionized long-distance communication in the 19th century.
   
   

verb

1. () (telegraphy) send cables, wires, or telegrams  ( cable , telegraph , wire )
   (telegraphy) send cables, wires, or telegrams