Half blood /(häf"blŭd`)/

Half· blood

Half blood

n.
  1. The relation between persons born of the same father or of the same mother, but not of both; as, a brother or sister of the half blood. See Blood, n., 2 & 4.
  2. A person so related to another.
  3. A person whose father and mother are of different races; a half-breed.