CIRCUS n.
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.
CROSSCUT n.
A level driven across the course of a vein, or across the main workings, as from one gangway to another. Crosscut saw. (a) A saw, the teeth of which are so set as to adapt it for sawing wood crosswise of the grain rather than lengthwise. (b) A saw managed by two men, one at each end, for cutting large logs crosswise.…