/ Dictionary / Index K katholikos: Meaning and Definition of Find definitions for: ka•thol•i•kos Pronunciation: (ku-thol'i-kus, -kos"), [key] — pl. -kos•es, -koi catholicos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kathleen Kathy Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language