Meaning of corruption of blood

corrup'tion of blood'

Pronunciation: [key]
— Eng. Law. Eng. Law.
  1. the impurity before law that results from attainder and disqualifies the attainted person from inheriting, retaining, or bequeathing lands or interests in lands: abolished in 1870.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.