- pit, fossa - a concavity in a surface (especially an anatomical depression)
--1 is a kind of concave shape, concavity, incurvation, incurvature; cavity, bodily cavity, cavum
--1 has particulars:glenoid fossa, glenoid cavity; glenoid fossa, mandibular fossa; pit of the stomach, epigastric fossa - Fossa, genus Fossa - monotypic genus of Madagascar civets closely related to palm civets
--2 is a kind of mammal genus
--2 is a member of Viverridae, family Viverridae, Viverrinae, family Viverrinae
--2 has members: fanaloka, Fossa fossa - fossa, fossa cat, Cryptoprocta ferox - largest carnivore of Madagascar; intermediate in some respects between cats and civets
--3 is a kind of viverrine, viverrine mammal