transmitter

Noun

• set used to broadcast radio or tv signals

• any agent (person or animal or microorganism) that carries and transmits a disease
  • mosquitos are vectors of malaria and yellow fever
    
  • fleas are vectors of the plague
    
  • aphids are transmitters of plant diseases
    
  • when medical scientists talk about vectors they are usually talking about insects
    

• someone who transmits a message
  • return to sender
    

Related words

• Synonyms: 
  sender , vector