D defs.my
Entry 2 senses Webster, 1913

Attorn

· At·torn · IPA
01 v. i. To turn, or transfer homage and service, from one lord to another. This is the act of feudatories, vassals, or tenants, upon the alienation…
  1. 1.
    To turn, or transfer homage and service, from one lord to another. This is the act of feudatories, vassals, or tenants, upon the alienation of the estate.(Feudal Law)
  2. 2.
    To agree to become tenant to one to whom reversion has been granted.(Modern Law)