cavity
//ˈkæv.ɪ.ti//
Noun
cavitySingular
cavitiesPlural
1
A hollow space or hole within a solid object or body.
The doctor discovered a small cavity in the patient's lung.
2
A decayed area in a tooth, caused by bacteria.
The dentist found a small cavity in my back tooth.
3
An enclosed space within the body, such as the chest or abdominal cavity.
The lungs are located in the chest cavity.