Definition of universes:
(n) :
The sum of everything that exists in the cosmos.
(n) :
Everything under consideration.
(n) :
An entity similar to our universe; one component of a larger entity known as the multiverse.
(n) :
An imaginary collection of worlds; the general imaginary world within which a work of fiction takes place, broader than its immediate setting.
(n) :
(literature, films) A collection of stories with characters and settings that typically share a continuity but are less interrelated than those of sequels or prequels.
(n) :
A whole world, in the sense of perspective or social setting.