Definition of slots:
(n) :
A narrow depression, perforation, or aperture; especially, one for the reception of a piece fitting or sliding into it.
(n) :
A period of time or position within a schedule or sequence.
(n) :
The track of an animal, especially a deer; spoor.
(n) :
(Antarctica) A crack or fissure in a glacier or snowfield; a chasm; a crevasse.
(n) :
(slang) The vagina.
(n) :
(aviation) The allocated time for an aircraft's departure or arrival at an airport's runway.