E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Areopagus
or Mars Hill. The seat of a famous tribunal in Athens; so called because the first cause tried there was that of Mars or Ars, accused by Neptune of the death of his son Halirrhothius.
1
Then Panl stood in the midst of Mars Hill.Acts xvii. 22.