his ‧ to ‧ ri ‧ an W3 /hɪˈstɔːriən/ BrE AmE noun [countable]
[ Word Family: noun : ↑ historian , ↑ history , ↑ prehistory ; adjective : ↑ historic , ↑ prehistoric , ↑ historical ; adverb : ↑ historically ]
someone who studies history, or the history of a particular thing
art/literary/military etc historian