sender
1. [ noun ] (electronics) set used to broadcast radio or tv signals
Synonyms: transmitter
Related terms: set radio_transmitter satellite_transmitter jammer television_transmitter antenna air
2. [ noun ] someone who transmits a message
Synonyms: transmitter
Examples:

"return to sender"

Related terms: communicator spammer transmit
Similar spelling:   Senter
  Senters
  Synder
  sunder
  sander
  send_word
  Sanders