noun🔗ShareA pit, groove, cavity, or depression."The dentist pointed out a small fossa on my molar where a cavity was starting to form. "anatomybiologypartChat with AIVocabulary GamePractice Reading
noun🔗ShareA long, narrow, shallow depression on the body of an extraterrestrial body, such as a planet or moon."The satellite images revealed a long, narrow fossa cutting across the smooth, icy surface of Europa. "astronomygeologyspaceChat with AIVocabulary GamePractice Reading
noun🔗ShareA carnivorous mammal endemic to Madagascar, Cryptoprocta ferox."The zookeeper explained that the fossa, a unique predator from Madagascar, has retractable claws like a cat. "animalbiologynatureChat with AIVocabulary GamePractice Reading
