/ Dictionary / Index C catholicus: Meaning and Definition of Find definitions for: ca•thol•i•cus Pronunciation: (ku-thol'i-kus), [key] — pl. -i•ci catholicos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. catholicos cathouse Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language