Reversionary
Defined in 2 dictionaries — Ballentine's (1916), Black's (1910)
Ballentine's Law Dictionary
James A. Ballentine · 1916
In reversion; pertaining to a reversion.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
That which is to be enjoyed in reversion.
— Reversionary interest. The interest which a person has in the reversion of lands or other property. A right to the future enjoyment of property, at present in the possession or occupation of another. Holthouse.
— Reversionary lease. One to take effect in futuro. A second lease, to commence after the expiration of a former lease. Wharton.