discommon

Century Dictionary and Cyclopedia

1. To deprive of the character of a common, as a piece of land; appropriate to private ownership, as common land, by separating and inclosing it.
2. To deprive of the right of a common.
3. To deprive of the privileges of a place; especially, in the universities of Oxford and Cambridge, to prohibit (a tradesman or townsman who has violated the regulations of the university) from dealing with the undergraduates. The power to do this lies with the vice-chancellor.

Wiktionary

1. v. To deprive of the right of common.
2. v. To deprive of privileges.
3. v. law To deprive (lands etc.) of commonable quality, by enclosing or appropriating.

GNU Webster's 1913

1. v. rare To deprive of the right of common.
2. v. rare To deprive of privileges.
3. v. (Law) To deprive of commonable quality, as lands, by inclosing or appropriating.