Did you mean Mississippi?
Mississippi
noun
°A . Capital Jackson: Postal abbreviation: MS.
°A major river in North America that rises in Minnesota and flows into the Gulf of Mexico.
interjection
°Used to count out a time of about one second, especially in games.
synonyms: magnolia state, hospitality state, big muddy, missouri more» , big river, body of a nation, el grande, el grande de soto, father of waters, gathering of waters, great river, mighty mississippi, muddy mississippi, old man river