cavity

Meanings

1. 1
   noun

   in anatomy, a natural hollow or sinus within the body

   The human body has many cavities.

2. 2
   noun

   A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries.

   Jim got two cavities filled at the dentist's office yesterday.

3. 3
   noun

   a sizeable hole (usually in the ground)

4. 4
   noun

   soft decayed area in a tooth

5. 5
   noun

   space that is surrounded by something

6. 6
   noun

   A hole or hollow depression in a solid object.

Etymology

From Middle French cavité or Late Latin cavitās, from cav(i) (“hollow, excavated, concave”) + -tās (“-ity”, nominal suffix). First attested in the Mid-16th c.