1) Chess tactic 1) Congestion 
[chess] Overloading is a chess tactic in which a defensive piece is given an additional defensive assignment which it cannot complete without abandoning its original defensive assignment. ==Examples== Krasenkow vs. Karpov, in the first round of the 2003 Corus chess tournament, reached the diagrammed position with Black to play. As the white...
• (p. pr. & vb. n.) of Overload
giving multiple meanings to a symbol depending on its context.
having more than one function with the same name in the same scope or having more than one operator with the same name in the same scope. It is not possible to overload across different scopes. See also: using-declaration. TC++PL 6.2, D&E 3.6, 11.2.