/ Dictionary / Index K keel vessel: Meaning and Definition of Find definitions for: keel' ves"sel Pronunciation: [key] any of various types of sailing vessels in which a fixed, projecting keel gives lateral resistance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Keelung keen Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language