/ Dictionary / Index I Isidor: Meaning and Definition of Find definitions for: Is•i•dor Pronunciation: (iz'i-dôr", -dōr"), [key] — n. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isidium Isidora Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language