utterer in WordNet English dictionary

1. someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)
   "the speaker at commencement"; "an utterer of useful maxims"
   speaker  talker  utterer  verbalizer  verbaliser 
   
2. someone who circulates forged banknotes or counterfeit coins
   utterer 
   
3. an organism that can utter vocal sounds
   "an utterer of foul oaths"; "is the giraffe a vocalizer?"
   utterer  vocalizer  vocaliser