(anatomy) The part of the thoracic cavity that surrounds the lungs and is enclosed by the pleurae.

(of an animal) The oral cavity, bound by the cheeks of the face, the palate, and the flesh of the mandible, opening onto the mouth and the fauces, and containing the teeth, tongue, gums, and other structures.

Malapropistic misconstruction of buccal cavity

The yolk sac

plural of cavity wall

The thoracic cavity.

(medicine) A chamber located within the upper human torso (and other animal bodies) which contains the heart and lungs.

A form of waveguide, closed at each end, used to create an intense electromagnetic wave

(anatomy) A small cavity surrounding the bones of the middle ear.

plural of cavity resonator