/ Dictionary / Index C chelonian: Meaning and Definition of Find definitions for: che•lo•ni•an Pronunciation: (ki-lō'nē-un), [key] — adj. belonging or pertaining to the order Chelonia, comprising the turtles. —n. a turtle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chelonian (Thesaurus) cheloid Chelsea Related Content Daily Word Quiz: verbose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language