The Collaborative International Dictionary of English v.0.48:

C'ordoba \C['o]r"do*ba\ (k[^o]r"d[-o]*v[aum]), n. [Prob. fr. the
   Spanish explorer Francisco Hern['a]ndez de C['o]rdoba.]
   The monetary unit of Nicaragua, equivalent to the United
   States gold dollar. It is divided into 100 centavos.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

cordoba
    n 1: the basic unit of money in Nicaragua; equal to 100 centavos
    2: Spanish explorer who discovered Yucatan (1475-1526) [syn:
       Cordoba, Francisco Fernandez Cordoba, Cordova,
       Francisco Fernandez de Cordova]
    3: a city in southern Spain; center of Moorish culture [syn:
       Cordoba, Cordova]
    4: a city in central Argentina; site of a university founded in
       1613 [syn: Cordoba, Cordova]