Lewis & Short

prŏlepsis, is, f., = πρόληψις, in rhetoric, a mentioning a thing by a name which it has not yet received, anticipation, prolepsis (pure Lat. occupatio), Diom. p. 438 and 439 P.; or an allusion to a thing as having happened before it has actually come to pass, an anachronism, Ascon. ad Cic. Verr. 1, 45 fin.; or a refuting of an objection by anticipation (written as Greek), Quint. 4, 1, 49; 9, 2, 16.