Definition of reversioning:
(n) :
The action of returning to a former condition or practice.
(n) :
The action of reverting something.
(n) :
The fact of being turned the reverse way.
(n) :
The action of turning something the reverse way.
(n) :
(property law) The return of an estate to the donor or grantor after expiry of the grant.
(n) :
(property law) An estate which has been returned in this manner.