vacancy

noun, plural va·can·cies.

1. the state of being vacant; emptiness.
2. a vacant, empty, or unoccupied place, as untenanted lodgings or offices: This building still has no vacancies.
3. a gap; opening; breach.
4. an unoccupied position or office: a vacancy on the Supreme Court.
5. lack of thought or intelligence; vacuity: a look of utter vacancy.
6. Crystallography. (in a crystal) an imperfection resulting from an unoccupied lattice position.Compare interstitial(def 3).
7. Archaic. absence of activity; idleness.

noun plural -cies

1. the state or condition of being vacant or unoccupied; emptiness
2. an unoccupied post or officewe have a vacancy in the accounts department
3. an unoccupied room in a boarding house, hotel, etcput the “No Vacancies” sign in the window
4. lack of thought or intelligent awareness; inanityan expression of vacancy on one’s face
5. physics a defect in a crystalline solid caused by the absence of an atom, ion, or molecule from its position in the crystal lattice
6. obsolete idleness or a period spent in idleness