Synonyms for Polyphone:

n.

communication (noun)
polyphonic letter.
polyphone (noun)
polyphonic letter.

Usage examples for polyphone

  1. A large automatic musical instrument- a 'penny in the slot' polyphone resembling a grandfather's clock in shape- stood against one of the partitions and close up to the counter, so that those behind the bar could reach to wind it up. – The Ragged Trousered Philanthropists by Robert Tressell
  2. The Old Dear now put a penny in the slot of the polyphone and winding it up started it playing. – The Ragged Trousered Philanthropists by Robert Tressell
  3. While they were pouring this down their throats, Crass took a penny from his waistcoat pocket and put it in the slot of the polyphone – The Ragged Trousered Philanthropists by Robert Tressell