II. Fauces ·noun ·pl The throat of a calyx, corolla, ·etc.
III. Fauces ·noun ·pl That portion of the interior of a spiral shell which can be seen by looking into the aperture.
IV. Fauces ·noun ·pl 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.