The Collaborative International Dictionary of English v.0.48:

Cordovan \Cor"do*van\ (k[^o]r"d[-o]*v[a^]n), n. [Sp. cordoban,
   fr. Cordova, or Cordoba, in Spain. Cf. Cordwain.]
   Same as Cordwain. In England the name is applied to leather
   made from horsehide.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cordovan
    n 1: a fine leather originally made in Cordoba, Spain