Terefah

Also spelled  terefa,  tref , or  trefa (from Hebrew taraf, “to tear”) , plural  terefoth,  terefot , or  trefot  any food, food product, or utensil that, according to the Jewish dietary laws (kashruth, q.v.), is not ritually clean or prepared according to law and is thus prohibited as unfit for Jewish use. Terefah is thus the antithesis of kosher (“fit”). The broad connotation of terefah derives from a more specific prohibition against eating meat that has been “torn” by a wild animal (e.g., Exodus