Breadcrumb Home > Dictionary > Index D Department of Transportation: Meaning and Definition of Find definitions for: Depart'ment of Transporta'tion Pronunciation: [key] the department of the U.S. federal government that coordinates and institutes national transportation programs. Abbr.: DOT Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Department of the Treasury department store TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language