/ Dictionary / Index A arthralgia: Meaning and Definition of Find definitions for: ar•thral•gia Pronunciation: (är-thral'ju), [key] — n. Pathol. pain in a joint. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arthralgia (Thesaurus) arthr- arthrectomy Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language