(in Norman England) an assembly composed of the king's tenants in chief that served as the principal council of the realm and replaced the witenagemot.
(formerly in Italy) the municipal council in some towns or cities, as in Venice.
Origin of great council
First recorded in 1730–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for great council
(in medieval England) an assembly of the great nobles and prelates to advise the king
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