consanguine sister (kahn-sang-gwin or k[schwa]n-san-gwin).Civil law. A sister who has the same father, but a different mother.
half sister. A sister who has the same father or the same mother, but not both.
sister-german. A full sister; the daughter of both of one’s parents. See GERMAN.
stepsister. The daughter of one’s stepparent.
uterine sister (yoo-t[schwa]r-in).Civil law. A sister who has the same mother, but a different father.