1. Of or relating to Noah or his time.
2. Antiquated; ancient; long obsolete.
The seven Noachian prohibitions are enumerated as applying to the following: (1) idolatry, (2) adultery, (3) murder, (4) robbery, (5) eating of a limb cut from a living animal, (6) the emasculation of animals, (7) the pairing of animals of different species (Sanh. 56b).