רבה בר רב הונא

Rava (Rabbah) bar Rav Huna was a Babylonian amora whose rulings are recorded throughout the Talmud. He appears most densely in the laws of ritual purity (tractate Niddah), where he discusses such matters as whether a knotted hair constitutes an interposition, the standard for what counts as the color “black,” and the anatomy of the female body relevant to menstrual law. He is equally prominent in the dietary laws (tractate Chullin), addressing topics like the disjoined sinews (tzomet ha-gidin), the validity of a fowl with a dislocated thigh, the definition of the inner stomach cavity, and the use of a forbidden knife.

He is cited extensively in the order of korbanot (Zevachim and Menachot), ruling on the laws of the onen (a mourner before burial), the timing of dusk and its effect on tefillin, and the requirement that a person frequently touch his tefillin. He also transmits and debates teachings in Bechorot (the redemption of the firstborn) and is recorded in episodes touching on Shabbat honor (Chullin), permitted wine vessels (Avodah Zarah), and proper conduct in prayer (cited in Orach Chaim regarding adorning oneself before prayer).