noun
1. someone who regulates the tone of organ pipes
• Hypernyms: ↑skilled worker, ↑trained worker, ↑skilled workman
2. a speaker who voices an opinion
• Derivationally related forms: ↑voice
• Hypernyms: ↑speaker, ↑talker, ↑utterer, ↑verbalizer, ↑verbaliser
Useful english dictionary. 2012.