discommon

[ dis-kom-uh n ]
/ dɪsˈkɒm ən /

verb (used with object)

(at Oxford and Cambridge) to prohibit (tradespeople or townspeople who have violated the regulations of the university) from dealing with the undergraduates.
Law. to deprive of the character of a common, as by enclosing a piece of land.

Origin of discommon

1470–80; dis-1 + obsolete common to participate, associate

British Dictionary definitions for discommon

discommon
/ (dɪsˈkɒmən) /

verb

(tr) law to deprive (land) of the character and status of common, as by enclosure