Vacancy

VACANCY – [1] an opening refering to land or housing; [2] a pause or break in the workings of a probate court because of the death or resignation of the main official; [3] in Texas, an area of unsurveyed school land, not listed in land office records, between two or more recorded surveys

Merriam-Webster Online Dictionary
vacancy (noun)
1.
archaic an interval of leisure
2.
physical or mental inactivity or relaxation - idleness
3.
a) a of an office, post, or piece of property - vacating
b) the time such office or property is - vacant
4.
a vacant office, post, or tenancy
5.
empty space - void , specifically an unoccupied site for an atom or ion in a crystal
6.
the state of being vacant - vacuity