Meaning of cavity

cav•i•ty

Pronunciation: (kav'i-tē), [key]
— pl. -ties.
  1. any hollow place; hollow.
  2. a hollow space within the body, an organ, a bone, etc.
  3. a hollow space or a pit in a tooth, most commonly produced by caries. A cavity may be artificially made to support dental restorations.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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