Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: French
Origin: cavité, from Late Latin cavitas, from Latin cavus; CAVE1

cavity

noun
     
cav‧i‧ty plural cavities [countable]
formal a hole or space inside something:
Put herbs inside the body cavity of the fish.
I have no cavities (=no holes in my teeth).

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