/ Dictionary / Index C collyrium: Meaning and Definition of Find definitions for: col•lyr•i•um Pronunciation: (ku-lēr'ē-um), [key] — pl. -lyr•i•a -lyr•i•ums. eyewash (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: collyrium (Thesaurus) collyr. collywobbles Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language