/ Dictionary / Index P perfuse: Meaning and Definition of Find definitions for: per•fuse Pronunciation: (pur-fyz'), [key] — -fused, -fus•ing. to overspread with moisture, color, etc.; suffuse. to diffuse (a liquid, color, etc.) through or over something. to pass (fluid) through blood vessels or the lymphatic system. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: perfuse (Thesaurus) perfusate perfusion 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