noun
the United States federal department charged with conservation and the development of natural resources; created in 1849
• Syn: ↑Department of the Interior, ↑Interior Department, ↑Interior
• Hypernyms: ↑executive department
• Part Meronyms: ↑United States Fish and Wildlife Service, ↑US Fish and Wildlife Service, ↑FWS, ↑National Park Service
Useful english dictionary. 2012.