'Reversioner' definitions:

Definition of 'reversioner'

From: WordNet
noun
(law) a party who is entitled to an estate in reversion

Definition of 'Reversioner'

From: GCIDE
  • Reversioner \Re*ver"sion*er\, n. (Law) One who has a reversion, or who is entitled to lands or tenements, after a particular estate granted is terminated. --Blackstone. [1913 Webster]