What is "epitrope"

Epitrope \E*pit"ro*pe\, n. [L., fr. Gr. ? reference, arbitration, fr. ? to turn over, to give up, yield; 'epi` upon, over + ? to turn.] (Rhet.) A figure by which permission is either seriously or ironically granted to some one, to do what he proposes to do; e. g., ``He that is unjust, let him be unjust still.'' [1913 Webster] ||

n. (context rhetoric English) A figure by which permission is either seriously or ironically granted to someone to do what he or she proposes to do, e.g. ''He that is unjust, let him be unjust still.''