infeudation /ˌɪnfjʊˈdeɪʃən/

• 1. 

  N the act of putting a vassal in possession of a fief (封建社会)分封土地

• 2. 

  N the deed conferring such possession 土地契约

• 3. 

  N the consequent relationship of lord and vassal 领土分配中的附属关系