There are 2 definitions of fossa in English:

fossa1

Line breaks: fossa
Pronunciation: /ˈfɒsə
 
/

noun (plural fossae /-siː/)

Anatomy
  • A shallow depression or hollow.
    More example sentences
    • After pre-operative embolisation, the tumour was resected from the infratemporal and pterygopalatine fossae, sphenoid sinus, nasopharynx, nasal cavity and maxillary antrum.
    • Older children and adults experience ‘hot and sweaty fossae and folds’ involving flexor surfaces such as the antecubital and popliteal fossae, as well as the flexor wrists and ankles.
    • They occupy the ovarian fossae on the lateral pelvic wall.

Origin

mid 17th century: from Latin, literally 'ditch', feminine past participle of fodere 'to dig'.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody

There are 2 definitions of fossa in English:

fossa2

Line breaks: fossa
Pronunciation: /ˈfɒsə
 
/

noun

  • A large nocturnal reddish-brown catlike mammal of the civet family, found in the rainforests of Madagascar.
    • Cryptoprocta ferox, family Viverridae
    More example sentences
    • Catlike predators with long tails, fossas hunt everything from lemurs and mice to wild pigs.
    • The explanation for the strange appearance of fossas and other Madagascar animals goes back some 160 million years ago in geologic time.
    • Their big ears help them search for food and hear such enemies as catlike fossas.

Origin

mid 19th century: from Malagasy fosa.

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