The Collaborative International Dictionary of English v.0.48:

Corregidor \Cor*reg"i*dor\ (k?r-r?j"?-d?r; Sp. k?r-r?`h?-d?r"),
   n. [Sp., orig., a corrector.]
   The chief magistrate of a Spanish town.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Corregidor
    n 1: the peninsula and island in the Philippines where Japanese
         forces besieged American forces in World War II; United
         States forces surrendered in 1942 and recaptured the area
         in 1945 [syn: Bataan, Corregidor]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

CORREGIDOR, Spanish law. A magistrate who took cognizance of 'various
misdemeanors, and of civil matters. 2 White's Coll. 53.