/ Dictionary / Index L Longboat Key: Meaning and Definition of Find definitions for: Long'boat Key' Pronunciation: [key] a narrow barrier island in the Gulf of Mexico, SW of Florida, sheltering Sarasota Bay: sports fishing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. longboat long bone Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language