/ Dictionary / Index P perfusate: Meaning and Definition of Find definitions for: per•fus•ate Pronunciation: (pur-fy'zāt, -zit), [key] — n. Med., Surg. a fluid pumped or flowing through an organ or tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. perfunctory perfuse Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language