glatt kosher

adjective Judaism.
  1. prepared for eating according to the dietary laws followed by Hasidic Jews, which differ somewhat from those followed by other observers of kashruth: glatt kosher meat.
  2. adhering to these laws: a glatt kosher restaurant.
  3. (loosely) strictly kosher.

Origin of glatt kosher

1950–55; < Yiddish glat literally, smooth, even < Middle High German (German glatt), Old High German: bright, shining; see glad1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018