/ Dictionary / Index A Apalachee Bay: Meaning and Definition of Find definitions for: Ap'a•lach'ee Bay' Pronunciation: (ap'u-lach'ē, ap"-), [key] a bay of the Gulf of Mexico, on the coast of NW Florida. ab. 30 mi. (48 km) wide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Apache plume Apalachicola Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language