Cavity Definition
kăvĭ-tē
cavities
noun
cavities
A hole or hollow place.
Webster's New World
A natural hollow place within the body.
The abdominal cavity.
Webster's New World
A hollow place in a tooth, esp. when caused by decay.
Webster's New World
A space enclosed by metal and with a rodlike projection in the center, used as a resonator, as with a magnetron to produce electromagnetic waves, esp. microwaves.
Webster's New World
Other Word Forms of Cavity
Noun
Singular:
cavityPlural:
cavitiesOrigin of Cavity
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From Middle French cavité, from Late Latin cavitas, from Latin cavus (“hollow”), from Proto-Indo-European *ḱówHwos, from root Proto-Indo-European *ḱówH-
From Wiktionary
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French cavité from Late Latin cavitās from Latin cavus hollow keuə- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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