Dictionary.com
definitions

United Provinces

noun
  1. (used with a singular or plural verb) former name of Uttar Pradesh.
  2. (used with a plural verb) History/Historical. the seven northern provinces in the Low Countries that declared their independence from Spain in 1581 and laid the foundation for the establishment of the Netherlands.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for united provinces

United Provinces

pl n
  1. a Dutch republic (1581–1795) formed by the union of the seven northern provinces of the Netherlands, which were in revolt against their suzerain, Philip II of Spain
  2. the United Provinces of Agra and OudhSee Uttar Pradesh
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012