WordNet (r) 3.0 (2006):

Ferdinand the Catholic
    n 1: the king of Castile and Aragon who ruled jointly with his
         wife Isabella; his marriage to Isabella I in 1469 marked
         the beginning of the modern state of Spain and their
         capture of Granada from the Moors in 1492 united Spain as
         one country; they instituted the Spanish Inquisition in
         1478 and supported the expedition of Christopher Columbus
         in 1492 (1452-1516) [syn: Ferdinand, King Ferdinand,
         Ferdinand of Aragon, Ferdinand V, Ferdinand the
         Catholic]