/ Dictionary / Index T transfusion: Meaning and Definition of Find definitions for: trans•fu•sion Pronunciation: (trans-fy'zhun), [key] — n. the act or process of transfusing. the direct transferring of blood, plasma, or the like into a blood vessel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: transfusion (Thesaurus) transfuse transgenic Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language