noun pl. vacancies -·cies

1. the state of being vacant, or empty; emptiness
2. 1. empty space
   2. a vacant space; gap, blank, opening, etc.
3. the state of being empty in mind; lack of intelligence, interest, or thought; vacuity
4. Now Rare the state of being free from work, activity, etc.; idleness
5. an unoccupied position or office; unfilled post, situation, or job
6. untenanted quarters, as in a hotel
7. Physics a lattice defect in a crystal due to a displaced or missing ion or atom

Etymology: L vacantia < vacans