overload

Short definition from Wiktionary

Verb

1. 1
   To load excessively.
2. 2
   To provide too much power to a circuit.
3. 3
   To create different functions for the same name, to be used in different contexts.
4. 4
   To fail due to excessive load.

Noun

1. 1
   An excessive load.
2. 2
   The damage done, or the outage caused, by such a load.
3. 3
   An load of goods above the prescribed carrying weight of the vehicle.
4. 4
   An overloaded version of a function.