Category:Arena

A*re"na, n.; pl. E. Arenas; L. Arenæ. Etym: [L. arena, harena, sand, a sandy place.]

1. (Rom. Antiq.)

Defn: The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; -- so called because it was covered with sand.

2. Any place of public contest or exertion; any sphere of action; as, the arenaof debate; the arena of life.

3. (Med.)

Defn: "Sand" or "gravel" in the kidneys.