/ Dictionary / Index C Cephalonia: Meaning and Definition of Find definitions for: Ceph•a•lo•ni•a Pronunciation: (sef"u-lō'nē-u, -lōn'yu), [key] — n. the largest of the Ionian Islands, off the W coast of Greece. 36,742; 287 sq. mi. (743 sq. km). Greek, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cephalon cephalopod Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language