Breadcrumb Home > Dictionary > Index F Cite 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 TrendingHere are the facts and trivia that people are buzzing about. January 2021 Current Events: US News The Holocaust (1933–1945) Chinese New Year History, Meaning, and Celebrations Noble Titles and Ranks in a Monarchy The 5 Best Air Purifiers of 2020 Inaugural Trivia Related Content Daily Word Quiz: subrosa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language