/ Dictionary / Index C curling iron: Meaning and Definition of Find definitions for: curl'ing i"ron Pronunciation: [key] a rod, usually of metal, used when heated for curling the hair, which is twined around it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. curling curling stone 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