/ Dictionary / Index J jawless fish: Meaning and Definition of Find definitions for: jaw'less fish" Pronunciation: [key] cyclostome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jawlensky jawlike Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language