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Definition of Duvalier
1. Noun. Son and successor of Francois Duvalier as president of Haiti; he was overthrown by a mass uprising in 1986 (born in 1951). 
2. Noun. Oppressive Haitian dictator (1907-1971).
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1. Noun. Son and successor of Francois Duvalier as president of Haiti; he was overthrown by a mass uprising in 1986 (born in 1951).