Definition of variances:
(n) :
A difference between what is expected and what is observed; deviation.
(n) :
The act of varying or the state of being variable.
(n) :
The state of differing or being in conflict.
(n) :
(statistics) The second central moment in probability.
(n) :
An official permit to do something that is ordinarily forbidden by regulations.
(n) :
(law) A discrepancy between two legal documents.