Definition of: surcharge

(sûr′chärj′) noun
1. An excessive burden, load, or charge.
2. In chancery law, the showing of an omission of items in an account for which credit ought to be allowed: opposed to falsification.
3. An additional or excessive amount charged, especially an unlawful charge; an overcharge.
4. A new valuation or something additional printed on a postage or revenue stamp; also, a stamp so imprinted.
—v.t. (sûr·chärj′) ·charged, ·charg·ing
1. To charge (a person) too much: overcharge.
2. To show an omission of credits in (an account), or of something for which credit should have been allowed.
3. To overload.
4. To fill to excess.
5. To imprint a surcharge on (postage stamps). [<F <surcharger <sur- over + charger <OF chargier CHARGE]
—sur·charg′er noun