Vacuum; a space containing nothing at all
An unoccupied space where something may be stored
A feeling of longing for someone or something that is gone; a sense of a thing's absence.
An unoccupied area or volume.
Empty space.
An available room in a hotel; guest house, etc.
An unoccupied position or job.
Lack of intelligence or understanding.
A blank mind, unoccupied with thought.
A defect in a crystal caused by the absence of an atom in a lattice