Wordnet 3.0
NOUN (1)
1. 
 Roman Emperor and nephew of Constantine; 
 he restored paganism as the official religion of the Roman Empire and destroyed Christian temples but his decision was reversed after his death (331?-363); 
[syn: Julian, Julian the Apostate, Flavius Claudius Julianus]
WordNet (r) 3.0 (2006):
Flavius Claudius Julianus
    n 1: Roman Emperor and nephew of Constantine; he restored
         paganism as the official religion of the Roman Empire and
         destroyed Christian temples but his decision was reversed
         after his death (331?-363) [syn: Julian, Julian the
         Apostate, Flavius Claudius Julianus]