Search Result for "petrified forest national park":
Wordnet 3.0

NOUN (1)

1. a national park in Arizona having the world's largest collection of petrified coniferous trees; 



WordNet (r) 3.0 (2006):

Petrified Forest National Park
    n 1: a national park in Arizona having the world's largest
         collection of petrified coniferous trees