/ Dictionary / Index O odontalgia: Meaning and Definition of Find definitions for: o•don•tal•gia Pronunciation: (ō"don-tal'ju, -jē-u), [key] — n. Dentistry. pain in a tooth; toothache. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: odontalgia (Thesaurus) odont- odontiasis Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language