Also found in: Wikipedia.
Related to double genitive: Genitive form
A phrasal construction in English in which possession is indicated by the word of followed by the possessive form of a noun or pronoun, as in a relative of mine or a friend of Pat's. Also called double possessive. See Usage Note at of.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a possessive construction consisting of a prepositional phrase with of containing a substantive in the possessive case, as of father's in She is a friend of father's. Also called double genitive.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.