Fauces /(?)/

Fau·ces

Fauces

n. pl.
  1. The narrow passage from the mouth to the pharynx, situated between the soft palate and the base of the tongue; -- called also the isthmus of the fauces. On either side of the passage two membranous folds, called the pillars of the fauces, inclose the tonsils. (Anat.)
  2. The throat of a calyx, corolla, etc. (Bot.)
  3. That portion of the interior of a spiral shell which can be seen by looking into the aperture. (Zool.)