Faucial
fau·ces pl.n. (used with a sing. or pl. verb) The passage from the back of the mouth to the pharynx, bounded by the soft palate, the base of the tongue, and the palatine arches.
I could find, indeed, but one vulnerable point, and that, lying in a personal peculiarity, arising, perhaps, from constitutional disease, would have been spared by any antagonist less at his wit’s end than myself; - my rivalhad a weakness in the faucial or futtural organs, which precluded him from raising his voice at any time above a very low whisper.
William Williamson, Edgar Allen Poe