An organism that can utter vocal sounds. Synonyms:vocaliser, vocalizer."Is the giraffe a vocalizer?"
2.
Someone who circulates forged banknotes or counterfeit coins.
3.
Someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous). Synonyms:speaker, talker, verbaliser, verbalizer."An utterer of useful maxims"
... every day, one sees these fines recorded. Last week a girl of twelve years old was fined the usual forty shillings and costs for proclaiming in the public streets that she was "a Protestant." The usual cry is, "To hell with the Pope!" or "To hell with the Protestants!" according to the utterer's ... — Innocents abroad • Mark Twain
...