/ Dictionary / Index A Amtrak: Meaning and Definition of Find definitions for: Am•trak Pronunciation: (am'trak"), [key] — n. a government-subsidized public corporation created by Congress in 1970 to operate a national intercity passenger railroad system through contracts with existing railroads. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. amtrac amu Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language