Meaning of blood
Definition of blood
(noun)
the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the seat of the emotions"
temperament or disposition; "a person of hot blood"
the descendants of one individual; "his entire lineage has been warriors"