cavity

IPA: kˈævʌti

A hole or hollow depression in a solid object.
(anatomy) A hollow area within the body.
(engineering, manufacturing) The female part of a mold: the depression itself or (metonymically) the half of the mold that contains it.
(dentistry) A small or large hole in a tooth caused by caries; often also a soft area adjacent to the hole also affected by caries.

Examples of "cavity" in Sentences

The cavity is constructed and arranged to be collapsible.
The abdominal cavity is continuous with the pelvic cavity.
It is the opening between the nasal cavity and the nasopharynx.
It simply costs less energetically to open the intercalation cavity.
A result of the unstable cavity is a hole in the centre of the output beam.
The cowherds collected hay, stacked it at the opening of the cavity and lit it.
Access to the cavity for loading and unloading lading is through an end opening.