cavity
definition: in anatomy, a natural hollow or sinus within the body
example: The human body has many cavities.
speech part: noun
synonyms:
bodily cavity
cavum
definition: a sizeable hole (usually in the ground)
example:
speech part: noun
synonyms:
pit
definition: soft decayed area in a tooth
example:
speech part: noun
definition: space that is surrounded by something
example:
speech part: noun
synonyms:
enclosed space