/ Dictionary / Index C calcariferous: Meaning and Definition of Find definitions for: cal•ca•rif•er•ous Pronunciation: (kal"ku-rif'ur-us), [key] — adj. Biol. bearing a spur or spurs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calcareous tufa calced Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language