/ Dictionary / Index A amtrac: Meaning and Definition of Find definitions for: am•trac Pronunciation: (am'trak"), [key] — n. amphibian (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amt Amtrak Related Content Daily Word Quiz: perennial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language