/ Dictionary / Index D Dry Tortugas: Meaning and Definition of Find definitions for: Dry' Tor•tu'gas Pronunciation: (tôr-t'guz), [key] a group of ten small islands at the entrance to the Gulf of Mexico W of Key West: a part of Florida; the site of Fort Jefferson. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dry suit dry wall Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language