Definition of overring:
(n) :
An instance of registering too large an amount on a cash register, either accidentally or fraudulently.
(v) :
To register too large an amount on a cash register, either accidentally or fraudulently.
(n) :
A ring diacritic positioned above a character, as in Å.
(n) :
(mathematics) An overring B of an integral domain A is a subring of the field of fractions K of A that contains A, i.e. A#92;subseteqB#92;subseteqK.