Halacha n. : The general term for the Hebrew oral or traditional law; one of two branches of exposition in the Midrash. See Midrash.

Example:
What does Jewish law/Halacha say about abortion when the baby will not be able to have a normal life?

Taxonomy
Halakha, laws, rabbis, Jewish law, interpretation, authorities, Rabbinic, the Torah, commandments, Judaism, Shulchan Aruch, rule, generality, particularity, Hebrew, principle, Conservative view of Halakha, Conservative Halakha.

Defination from the web:
Halacha l'Moshe m'Sinai; Relationship between the Bible and the Mishnah and Talmud. ... Laws believed revealed by God to the Jewish people at Mount Sinai (e.g. the written Pentateuch and elucidations therefrom, Halacha l'Moshe miSinai) ...