Noun: Isabella ,i-zu'be-lu
- The queen of Castile whose marriage to Ferdinand of Aragon in 1469 marked the beginning of the modern state of Spain; they instituted the Spanish Inquisition in 1478 and sponsored the voyages of Christopher Columbus in 1492 (1451-1504)
- Isabella I of Castile, Queen Isabella, Isabella I, Isabella the Catholic
Type of: female monarch, queen, queen regnant
Encyclopedia: Isabella, Princess Imperial of Brazil