Definify.com
Webster 1913 Edition
Arena
A-re′na
,Noun.
pl. E.
. Arenas
; L. Arenæ
[L.
arena
, harena
, sand, a sandy place.] 1.
(Rom. Antiq.)
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
arena
of debate; the arena
of life.3.
(Med.)
“Sand” or “gravel” in the kidneys.
Webster 1828 Edition
Arena
ARE'NA
,Noun.
1.
An open space of ground strewed with sand, on which the gladiators, in ancient Rome, exhibited shows of fighting for the amusement of spectators. Hence, a place for public exhibition.2.
Among physicians, sand or gravel in the kidneys.