pronouncer

From pronounce +‎ -er.

pronouncer (plural pronouncers)

1. Agent noun of pronounce; one who pronounces.
   • 1881, The Western: A Journal of Literature, Education, and Art:

     Moreover, it is to be remembered that a poor speller is a poor pronouncer. The ear does not mark the sound any more exactly than the eye marks the letters.

2. The official who gives out words to be spelled at a spelling bee and answers questions about their definition, use in a sentence and etymology.