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An alkaloid, first found in white cinchona bark.

alse coat or appendage to a seed, as the loose, transparent bag inclosing the seed or the white water lily. The mace of the nutmeg is also an aril. Gray.

A scurfiness of the back part of the hind leg of a horse; -- also named rat-tails. White. Arrest of judgment (Law), the staying or stopping of a judgment, after verdict, for legal cause. The motion for this purpose is called a motion in arrest of judgment.

Arsenious oxide or arsenious anhydride; -- called also arsenious acid, white arsenic, and ratsbane.

A mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and mispickel.

oxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray, or green-gray color. The name is also given to a similar variety of serpentine.

us ascensions from the stomach. Sir T. Browne. Ascension Day, the Thursday but one before Whitsuntide, the day on which commemorated our Savior's ascension into heaven after his resurrection; -- called also Holy Thursday. -- Right ascension (Astron.), that degree of the equinoctial, counted from the beginning of Aries…

the species furnishing valuable timber, as the European ash (Fraxinus excelsior) and the white ash (F. Americana). Prickly ash (Zanthoxylum Americanum) and Poison ash (Rhus venenata) are shrubs of different families, somewhat resembling the true ashes in their foliage. -- Mountain ash. See Roman tree, and under Mount…

Of the color of ashes; a whitish gray or brownish gray.

Consisting of, or resembling, ashes; of a color between brown and gray, or white and gray. The ashen hue of age. Sir W. Scott.

Ash-colored; whitish gray; deadly pale. Shak. Ashy pale, pale as ashes. Shak.

A white, nitrogenous, crystallizable substance, C4H8N2O3+H2O, found in many plants, and first obtained from asparagus. It is believed to aid in the disposition of nitrogenous matter throughout the plant; -- called also altheine.

A white crystalline compound of acetyl and salicylic acid used as a drug for the salicylic acid liberated from it in the intestines.

One who assumes, arrogates, pretends, or supposes. W. D. Whitney.

A genus of herbs with compound white or bluish flowers; starwort; Michaelmas daisy.

Anything extremely small; a particle; a whit. There was not an atom of water. Sir J. Ross.

A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine.

A blow or wound on the leg of a horse, made by overreaching. White.

to adorn; esp., to clothe with elegant or splendid garments. Finely attired in a robe of white. Shak. With the linen miter shall he be attired. Lev. xvi. 4.

A soft white alloy of variable composition (as a nine parts of tin to one of copper, or of fifty parts of tin to five of antimony and one of copper) used in bearings to diminish friction.