There are 2 main definitions of fossa in English:

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fossa 1

Line breaks: fossa
Pronunciation: /ˈfɒsə/

noun (plural fossae ˈfɒsiː)

Anatomy
A shallow depression or hollow.
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'.

Words that rhyme with fossa

Barbarossa, dosser, embosser, glosser, josser, Ossa, Saragossa

Definition of fossa in:

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There are 2 main definitions of fossa in English:

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fossa 2 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
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.

Definition of fossa in:

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