/ Dictionary / Index C coffin bone: Meaning and Definition of Find definitions for: cof'fin bone" Pronunciation: [key] the terminal phalanx in the foot of the horse and allied animals, enclosed in the hoof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coffin coffin corner Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language