/ Dictionary / Index K Key Largo: Meaning and Definition of Find definitions for: Key' Lar'go Pronunciation: (lär'gō), [key] one of the islands in the Florida Keys. 30 mi. (48 km) long; 2 mi. (3.2 km) wide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. keying sequence keyless Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language