Breadcrumb Home > Dictionary > Index B bloodline: Meaning and Definition of Find definitions for: blood•line Pronunciation: (blud'līn"), [key] — n. (usually of animals) the line of descent; pedigree; strain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bloodline (Thesaurus) blood lily blood meal ✖ Related Content Daily Word Quiz: evanescent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language