'Subinfeudation' definitions:

Definition of 'Subinfeudation'

From: GCIDE

Subinfeudation \Sub*in`feu*da"tion\, n. (Law) (a) The granting of lands by inferior lords to their dependents, to be held by themselves by feudal tenure. --Craig. (b) Subordinate tenancy; undertenancy. [1913 Webster]
The widow is immediate tenant to the heir, by a kind of subinfeudation, or undertenancy. --Blackstone. [1913 Webster]