/ Dictionary / Index D Department of Agriculture: Meaning and Definition of Find definitions for: Depart'ment of Ag'riculture Pronunciation: [key] the department of the U.S. federal government that institutes and administers all federal programs dealing with agriculture. Abbr.: USDA Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. departmental store Department of Commerce Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language