/ Dictionary / Index C centurion: Meaning and Definition of Find definitions for: cen•tu•ri•on Pronunciation: (sen-toor'ē-un, -tyoor'-), [key] — n. (in the ancient Roman army) the commander of a century. (cap.)any one of various British battle tanks in service from 1945 to 1967. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: centurion (Thesaurus) centuried century Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language