(in old English law) an intermediate feudal lord; the tenant of a chief lord and a lord to his own tenants.
Origin of mesne lord
First recorded in 1605–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(in feudal society) a lord who held land from a superior lord and kept his own tenants on it
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