Definition of Ancien R:
(adj) :
Having lasted from a remote period; having been of long duration; of great age, very old.
(adj) :
Existent or occurring in time long past, usually in remote ages; belonging to or associated with antiquity; old, as opposed to modern.
(adj) :
(history) Relating to antiquity as a primarily European historical period; the time before the Middle Ages.
(n) :
A person who lived in ancient times.
(n) :
A person who is very old.
(n) :
(UK, law) One of the senior members of the Inns of Court or of Chancery.