Department of the Interior: Meaning and Definition of

Depart'ment of the Inte'rior

Pronunciation: [key]
  1. the department of the U.S. federal government charged with the conservation and development of the natural resources of the U.S. and its possessions. Abbr.: DOI
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.