con·quis·ta·dor (kŏn-kwĭs'tə-dôr', kŏng-kē'stə-) n.
pl.con·quis·ta·dors or con·quis·ta·dor·es (-dôr'ās, -ēz) A conqueror, especially one of the 16th-century Spanish soldiers who defeated the Indian civilizations of Mexico, Central America, or Peru.
[Spanish, from conquistar, to conquer, from Vulgar Latin *conquīsītāre, frequentative of Latin conquīrere, to procure; see conquer.]