National Park Service

Thesaurus

Noun

1.

National Park Service - an agency of the Interior Department responsible for the national parksDepartment of the Interior, DoI, Interior Department, Interior - the United States federal department charged with conservation and the development of natural resources; created in 1849bureau, federal agency, government agency, agency, office, authority - an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"