/ Dictionary / Index C calef.: Meaning and Definition of Find definitions for: calef. Pronunciation: [key] (in prescriptions) warmed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Caledonian Canal calefacient Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language