overring noun 3verb 1forms 4 noun3 •An instance of registering too large an amount on a cash register, either accidentally or fraudulently. •A ring diacritic positioned above a character, as in Å. •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. verb1 •To register too large an amount on a cash register, either accidentally or fraudulently. formsoverrang · overrung · overringing · overrings