The spillage resultant from overflow; excess.

Outlet for escape of excess material.

(computing) The situation where a value exceeds the available numeric range.

(transitive) To flow over the brim of (a container).

(transitive) To cover with a liquid, literally or figuratively.

(transitive) To cause an overflow. (Can we add an example for this sense?)

(intransitive) To flow over the edge of a container.

(intransitive) Exceed limits or capacity, and in computing, it can also mean to (cause to) exceed the available numeric range.

(intransitive) To be superabundant; to abound.