Noun gateway to the west has 1 sense
  1. Saint Louis, St. Louis, Gateway to the West - the largest city in Missouri; a busy river port on the Mississippi River near its confluence with the Missouri River; was an important staging area for wagon trains westward in the 19th century
    --1 is a kind of city, metropolis, urban center; port
    --1 is a part of Missouri, Show Me State, MO
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