Vacancy
WordNet
noun
(1) An empty area or space
"The huge desert voids"
"The emptiness of outer space"
"Without their support he'll be ruling in a vacuum"
(2) Being unoccupied
WiktionaryText
Noun
- An unoccupied position or job.
- An available room in a hotel; guest house, etc.
- Empty space.
- Lack of intelligence or understanding.
- The absence of program.