/ Dictionary / Index A arthrectomy: Meaning and Definition of Find definitions for: ar•threc•to•my Pronunciation: (är-threk'tu-mē), [key] — pl. -mies. erasion (def. 2b). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. arthralgia arthritic Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language