Synonyms for Mississippi (same or very similar meaning)
WordNet sense 1 (a major North American river and the chief river of the United States; rises in northern Minnesota and flows southward into the Gulf of Mexico):
Mississippi River
WordNet sense 2 (a state in the Deep South on the gulf of Mexico; one of the Confederate States during the American Civil War):
MS, Magnolia State
From the ODE community, based on WordNet
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