Long-Distance Communication Through Wires

This page is the CodyCross answer for the clue below from Medieval Times, Group 236, Puzzle 3 (Corvee and Banalites).

Question is: Long-Distance Communication Through Wires

and the answer is: TELEGRAPH

Word Meaning:

TELEGRAPH — (uncommon) Synonym of telegraphy, any process for transmitting arbitrarily long messages over a long distance using a symbolic code.

Definitions from Wiktionary.