/ Dictionary / Index A atherectomy: Meaning and Definition of Find definitions for: ath•er•ec•to•my Pronunciation: (ath"u-rek'tu-mē), [key] — pl. -mies. the removal of plaque from an artery by means of a tiny rotating cutting blade inserted through a catheter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Athens atherine Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language