- ukase [yo͞o′kās΄, yo͞o′kāz΄; yo͞o kās′, yo͞okāz′]n.[Russ ukaz, edict < ukazat', to order (modern meaning “to indicate”) < OSlav kazati, talk]1. in czarist Russia, an imperial order or decree, having the force of law2. any official, esp. arbitrary, decree or proclamation
English World dictionary. V. Neufeldt. 2014.