/ Dictionary / Index J Jaycee: Meaning and Definition of Find definitions for: Jay•cee Pronunciation: ( jā'sē'), [key] — n. a member of a civic group for young business and community leaders. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jaybird Jayhawker Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language