What is the meaning of Excess?

The state of surpassing or going beyond a limit; the state of being beyond sufficiency, necessity, or duty; more than what is usual or proper.

The degree or amount by which one thing or number exceeds another; remainder.

An act of eating or drinking more than enough.

Spherical excess, the amount by which the sum of the three angles of a spherical triangle exceeds two right angles. The spherical excess is proportional to the area of the triangle.

A condition on an insurance policy by which the insured pays for a part of the claim.

More than is normal, necessary or specified.

To declare (an employee) surplus to requirements, such that he or she might not be given work.

Source: wiktionary.org