/ˈfɒsə/, /ˈfɑsə/, /ˈfɔsə/
OriginUnadapted borrowing from Latin fossa (“a ditch, trench, fosse”). Doublet of fosse.
- A pit, groove, cavity, or depression.
- A long, narrow, shallow depression on the body of an extraterrestrial body, such as a planet or moon.
- A large nocturnal reddish-brown catlike mammal (Cryptoprocta ferox) of the civet family, endemic to the rainforests of Madagascar. It is slender, long-tailed and has retractile claws and anal scent glands.
Formsfossae(plural) · fossæ(obsolete, plural) · fossas(plural)
Source: Wiktionary