n.
Function: noun
Date: 15th century
1 a : an additional tax, cost, or impost b : an extra fare <a sleeping car surcharge > c : an instance of surcharging an account
2 : an excessive load or burden
3 : the action of surcharging : the state of being surcharged
4 a (1) : an overprint on a stamp specifically : one that alters the denomination (2) : a stamp bearing such an overprint b : an overprint on a currency note