Fossa

n.

1.

(Anat.) A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossæ containing the nostrils in most birds.

Noun	1.	fossa - a concavity in a surface (especially an anatomical depression) Synonyms: pit
	2.	Fossa - monotypic genus of Madagascar civets closely related to palm civets Synonyms: genus Fossa
	3.	fossa - largest carnivore of Madagascar; intermediate in some respects between cats and civets Synonyms: Cryptoprocta ferox, fossa cat

bodily cavity, cavity, cavum, concave shape, concavity, epigastric fossa, glenoid cavity, glenoid fossa, incurvation, incurvature, mandibular fossa, pit, pit of the stomach