I. ˈkōshə(r) adjective
or ka·sher käˈshe(ə)r, -eə
Etymology: Yiddish kosher, from Hebrew kāshēr fit, proper
1. : sanctioned by Jewish law : ritually fit, clean, or prepared for use according to Jewish law
kosher meat
a kosher scroll of the law
2. : selling, serving, or using food that is ritually fit according to Jewish law
a kosher restaurant
she keeps a kosher house
3. : genuine , legitimate , proper
a strong minority feeling that Piltdown was not a very kosher specimen — New Yorker
tried to stop me from withdrawing the money, sensing that something was not kosher , but I wouldn't listen — Polly Adler
the rifle report that followed shortly after seemed perfectly kosher at the time; after all, they do fire guns at army bases — Frederic Ramsey
II.
variant of kasher