Definition of rusticating:
(v) :
(transitive) To compel to live in or to send to the countryside; to cause to become rustic.
(v) :
(intransitive) To go to reside in the country.
(v) :
(transitive) To construct so as to produce jagged or heavily textured surfaces.
(v) :
(ambitransitive, Oxbridge, Durham University) To be suspended or expelled temporarily from the university, either compulsorily or voluntarily.