/ Dictionary / Index O odometer: Meaning and Definition of Find definitions for: o•dom•e•ter Pronunciation: (ō-dom'i-tur), [key] — n. an instrument for measuring distance traveled, as by an automobile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: odometer (Thesaurus) odograph odonate Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language