/ Dictionary / Index B blood test: Meaning and Definition of Find definitions for: blood' test" Pronunciation: [key] a test of a sample of blood to determine blood group, presence of infection or other pathological condition, parentage, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. blood sugar bloodthirsty 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