/ Dictionary / Index L Leyden: Meaning and Definition of Find definitions for: Ley•den Pronunciation: (līd'n), [key] — n. See See Leiden. a Dutch cheese similar to Edam, often flavored with caraway seeds, cumin, cinnamon, or cloves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leyden (Thesaurus) ley Leyden jar Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language