Learn how to say Conqueror correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word conquer:
to overcome (an enemy, army, etc); defeat
to overcome (an obstacle, feeling, desire, etc); surmount
(transitive) to gain possession or control of by or as if by force or war; win
(transitive) to gain the love, sympathy, etc, of (someone) by seduction or force of personality
C13: from Old French conquerre, from Vulgar Latin conquērere (unattested) to obtain, from Latin conquīrere to search for, collect, from quaerere to seek