01 n. The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; -- so called because it was…
pl.
Arenas, Arenæ
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1.
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.(Rom. Antiq.)
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2.
Any place of public contest or exertion; any sphere of action; as, the arenaof debate; the arena of life.
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3.
“Sand” or “gravel” in the kidneys.(Med.)