Meaning of discommon

dis•com•mon

Pronunciation: (dis-kom'un), [key]
— v.t.
  1. (at Oxford and Cambridge) to prohibit (tradespeople or townspeople who have violated the regulations of the university) from dealing with the undergraduates.
  2. to deprive of the character of a common, as by enclosing a piece of land.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.