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; [syn: Mississippi, Mississippi River]
WordNet (r) 3.0 (2006):
Mississippi River
n 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 [syn: Mississippi,
Mississippi River]