名詞 fossa:

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