Overload \O`ver*load"\, v. t. [imp. & p. p. Overloaded; p. pr. & vb. n. Overloading.] [Cf. Overlade.] To load or fill to excess; to load too heavily.
Source: Webster's Revised Unabridged Dictionary (1913)
Overload \O"ver*load`\, n. An excessive load; the excess beyond a proper load.