/ Dictionary / Index C cephalo-: Meaning and Definition of Find definitions for: cephalo- Pronunciation: [key] a combining form meaning “head,” used in the formation of compound words: cephalometry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cephalization cephalochordate Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language