/sub'in fyooh day"sheuhn/ , n. Feudal Law.
1. the granting of a portion of an estate by a feudal tenant to a subtenant, held from the tenant on terms similar to those of the grant to the tenant.
2. the tenure established.
3. the estate or fief so created.
[ 1720-30; SUB- + infeudation enfeoffment infeudation-, s. of infeudatio (see IN- 2 , FEUD 2 , -ATION) ]