/ Dictionary / Index C cephalin: Meaning and Definition of Find definitions for: ceph•a•lin Pronunciation: (sef'u-lin), [key] — n. Biochem. any of several phosphatides occurring in animal tissue, esp. of the brain, and having marked blood-clotting properties. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cephalic index cephalitis Related Content Daily Word Quiz: pudgy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language