noun🔗ShareA hole or hollow depression."The dentist found two small cavities in my back teeth. "medicineanatomydiseasebodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA hollow area within the body (such as the sinuses).""When Sarah had a cold, her nasal cavities felt blocked and made it hard to breathe." "anatomymedicinebodyorganChat with AIVocabulary GamePractice Reading
noun🔗ShareA small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries."The dentist told Maria she had two cavities and needed fillings. "medicinebodydiseaseanatomyChat with AIVocabulary GamePractice Reading
