/ Dictionary / Index P phlebotomy: Meaning and Definition of Find definitions for: phle•bot•o•my Pronunciation: (flu-bot'u-mē), [key] — pl. -mies. the act or practice of opening a vein for letting blood as a therapeutic measure; venesection; bleeding. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phlebotomy (Thesaurus) phlebotomus fever Phlegethon Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language