petrified forest national park is a noun meaning "a national park in Arizona having the world's largest collection of petrified coniferous trees". It carries one recorded sense.
a national park in Arizona having the world's largest collection of petrified coniferous trees
Definitions, synonyms and semantic relations for petrified forest national park come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.