Mississippi

UK: /ˌmɪsɪˈsɪpɪ/ US: (mis′ə sip′ē)

WordReference Random House Unabridged Dictionary of American English © 2023

Mis•sis•sip•pi  (mis′ə sip′ē), n. 

1. Place Names a state in the S United States. 2,520,638;
   47,716 sq. mi. (123,585 sq. km). Cap.: Jackson. Abbr.: MS (for use with zip code), Miss.
2. Place Names a river flowing S from N Minnesota to the Gulf of Mexico: the principal river of the U.S. 2470 mi. (3975 km) long;
   from the headwaters of the Missouri to the Gulf of Mexico 3988 mi. (6418 km) long.

Collins Concise English Dictionary © HarperCollins Publishers::

Mississippi /ˌmɪsɪˈsɪpɪ/ n

1. a state of the southeastern US, on the Gulf of Mexico: consists of a largely forested undulating plain, with swampy regions in the northwest and on the coast, the Mississippi River forming the W border; cotton, rice, and oil. Capital: Jackson. Pop: 2 881 281 (2003 est). Area: 122 496 sq km (47 296 sq miles)
   Abbreviation: Miss, (with zip code) MS
2. a river in the central US, rising in NW Minnesota and flowing generally south to the Gulf of Mexico through several mouths, known as the Passes: the second longest river in North America (after its tributary, the Missouri), with the third largest drainage basin in the world (after the Amazon and the Congo). Length: 3780 km (2348 miles)