'Ukase' definitions:

Definition of 'ukase'

From: WordNet
noun
An edict of the Russian tsar

Definition of 'Ukase'

From: GCIDE
  • Ukase \U*kase"\, n. [F., fr. Russ. ukas'; pref. u- + kazate to show, to say.]
  • 1. In Russia, a published proclamation or imperial order, having the force of law. [1913 Webster]
  • 2. an order or edict by someone holding absolute authority. [PJC]