Search Result for "yellowstone": 
Wordnet 3.0

NOUN (1)

1. a tributary of the Missouri River that flows through the Yellowstone National Park;
[syn: Yellowstone, Yellowstone River]



WordNet (r) 3.0 (2006):

Yellowstone
    n 1: a tributary of the Missouri River that flows through the
         Yellowstone National Park [syn: Yellowstone, Yellowstone
         River]