/ Dictionary / Index F flatboat: Meaning and Definition of Find definitions for: flat•boat Pronunciation: (flat'bōt"), [key] — n. a large, flat-bottomed boat for use in shallow water, esp. on rivers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flatboat (Thesaurus) flat-bed press flat bond Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language