/ Dictionary / Index B blood transfusion: Meaning and Definition of Find definitions for: blood' transfu"sion Pronunciation: [key] the injection of blood from one person or animal into the bloodstream of another. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bloodthirsty blood type Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language