cavity

noun, plural cav·i·ties.

1. any hollow place; hollow.
2. Anatomy. 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.

noun plural -ties

1. a hollow space; hole
2. dentistry a soft decayed area on a toothSee caries
3. any empty or hollow space within the bodythe oral cavity
4. electronics See cavity resonator

n.

1540s, from Middle French cavité (13c.), from Late Latin cavitatem (nominative cavitas) “hollowness,” from Latin cavus “hollow” (see cave (n.)).

n.

1. A hollow area within the body, such as a sinus cavity.
2. A pitted area in a tooth caused by caries.

1. A hollow; a hole.
2. A hollow area within the body.
3. A pitted area in a tooth caused by caries.