Fau'ces, n. pl.

n. pl. [Lat.]

1. The posterior part of the mouth, terminated by the pharynx and larynx. Brande.
2. (Bot.) The throat of a calyx, corolla, &c. Gray.
3. (Conch.) That portion of the first chamber of a shell which can be seen by looking in at the aperture. Ogilvie.