Found 2 items, similar to tref.
English → English (WordNet) Definition: tref tref adj : not conforming to dietary laws [syn: nonkosher, terefah]
English → English (gcide) Definition: Tref Tref \Tref\ (tr[e^]f), a. [Yiddish, fr. Heb. t[e^]r[=e]ph[=a]h an animal torn by wild beasts.] Ceremonially unclean, according to the Jewish law; -- opposed to kosher. [Webster 1913 Suppl.]