/ Dictionary / Index J Jackelyn: Meaning and Definition of Find definitions for: Jack•e•lyn Pronunciation: ( jak'u-lin), [key] — n. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jackdaw jackeroo Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language