fau·cal (fô'kəl) adj.
Botany Relating to the throat of a corolla with fused petals.
[From Latin faux, fauc-, throat.]
fau·ces (fô'sēz') 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.
[Middle English, from Latin faucēs.] fau'cal (-kəl), fau'cial (-shəl) adj.