/ Dictionary / Index F flatcar: Meaning and Definition of Find definitions for: flat•car Pronunciation: (flat'kär"), [key] — n. a railroad car consisting of a platform without sides or top. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flatcar (Thesaurus) flat bug flat character Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language