/ Dictionary / Index C collyr.: Meaning and Definition of Find definitions for: collyr. Pronunciation: [key] (in prescriptions) an eyewash. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colly collyrium 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