Areopagus
noun
Ar·e·op·a·gus ˌa-rē-ˈä-pə-gəs 
ˌe-rē-
: the supreme tribunal of Athens
Word History
Etymology
Latin, from Greek Areios pagos, from Areios pagos (literally, hill of Ares), a hill in Athens where the tribunal met
First Known Use
1534, in the meaning defined above