Wordnet 3.0
NOUN (1)
1.
the longest river in the United States;
arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis;
- Example: "The Missouri and Mississippi Rivers together form the third longest river in the world"[syn: Missouri, Missouri River]
WordNet (r) 3.0 (2006):
Missouri River
n 1: the longest river in the United States; arises in Montana
and flows southeastward to become a tributary of the
Mississippi at Saint Louis; "The Missouri and Mississippi
Rivers together form the third longest river in the world"
[syn: Missouri, Missouri River]