/ Dictionary / Index C colossus: Meaning and Definition of Find definitions for: co•los•sus Pronunciation: (ku-los'us), [key] — pl. -los•si -los•sus•es. (cap.) the legendary bronze statue of Helios at Rhodes. Cf. any statue of gigantic size. anything colossal, gigantic, or very powerful. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: colossus (Thesaurus) Colossians Colossus of Memnon Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language