/ Dictionary / Index C cuj.: Meaning and Definition of Find definitions for: cuj. Pronunciation: [key] (in prescriptions) of which; of any. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cui-ui cuke Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language