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

ing largely of sand; of the nature of sand; easily disintegrating into sand; friable; as, arenaceous limestone.

Sandy; as, arenarious soil.

A sand bath; application of hot sand to the body. Dunglison.

A European whitefish of the genus Coregonus.

A suprarenal capsule. Suprarenal capsules (Anat.), two small bodies of unknown function in front of, or near, the kidneys in most vertebrates. Also called renal capsules, and suprarenal bodies.

nish discoloration of the skin, and thought, at one time, to be due to disease of the suprarenal capsules (two flat triangular bodies covering the upper part of the kidneys), but now known not to be dependent upon this causes exclusively. It is usually fatal.

Suprarenal.

A crystalline substance, C9H13O3N, obtained from suprarenal extract, of which it is regarded as the active principle. It is used in medicine as a stimulant and hemostatic.

An oval or circular building with rising tiers of seats about an open space called the arena.

us sport, of great antiquity, in which men torment, and fight with, a bull or bulls in an arena, for public amusement, -- still popular in Spain. -- Bull"fight`er (, n.

the portal vessels and insheathing the latter in their course through the organ. -- Suprarenal capsule, an organ of unknown function, above or in front of each kidney.

A bivalve mollusk of many kinds, especially those that are edible; as, the long clam (Mya arenaria), the quahog or round clam (Venus mercenaria), the sea clam or hen clam (Spisula solidissima), and other species of the United States. The name is said to have been given originally to the Tridacna gigas, a huge East Indi…

ho fought with weapons in public, either on the occasion of a funeral ceremony, or in the arena, for public amusement.

A semicircular place, as a semicircular arena, or room, or part of a room. The collections will be displayed in the hemicycle of the central pavilion. London Academy.

An arena for equestrian performances; a circus.

ment consisting of ice skaters performing figure-skating on a sheet of ice, usually in an arena, often accompanied by music. -- Ice sludge, bay ice broken small by the wind or waves; sludge. -- Ice spar (Min.), a variety of feldspar, the crystals of which are very clear like ice; rhyacolite. -- Ice tongs, large iron…

Arenation.

rse perennial grass of several species of Elymus, esp. E. Canadensis, and the European E. arenarius.

A genus of large arenaceous fossil Foraminifera found in the Cretaceous rocks. The species are globular, or nearly so, and are of all sizes up to that of a tennis ball.