Dictionary.net

• The person who has a reversion.

1914 - Nuttall's Standard dictionary of the English language
By Nuttall, P.Austin.

• One who holds a reversion; to reverse an engine, to cause it to perform its revolutions in an opposite direction with the view of quickly bringing it to a stand.

1874 - Etymological and pronouncing dictionary of the English language
By Stormonth, James, Phelp, P. H.