Flat-bottomed
Pronunciation : Flat"-bot`tomed
Part of Speech : a.
Definition : Defn: Having an even lower surface or bottom; as, a flat-bottomed boat.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder