A level oblong space surrounded on three sides by seats of wood, earth, or stone, rising in tiers one above another, and divided lengthwise through the middle by a barrier around which the track or course was laid out. It was used for chariot races, games, and public shows.
A circular inclosure for the exhibition of feats of horsemanship, acrobatic displays, etc. Also, the company of performers, with their equipage.
Just as people can watch spellbound a circus artist tumbling through the air in a phosphorized costume, so they can listen to a preacher who uses the Word of God to draw attention to himself. But a sensational preacher stimulates the senses and leaves the spirit untouched. Instead of being the way to God, his 'being different' gets in the way. Henri Nouwen