CONQUISTADOR Meaning of CONQUISTADOR in English [ kɒn'kwɪstədɔ: , -'kɪst- ]■ noun ( plural ~es -'dɔ:reɪz or ~s ) any of the Spanish conquerors of Mexico or Peru in the 16th century.OriginC19: from Sp. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004