Barium, bā′ri-um, n. the metal present in heavy spar (sulphate of baryta) and baryta, formerly thought to be white, but now known to possess a yellow colour.—adj. Bar′ic. [From Baryta; cf. soda, sodium.]

Bark, bärk, n. the abrupt cry uttered by a dog, wolf, &c.—v.i. to yelp like a dog: to clamour.—v.t. (Spens.) to utter with a bark.—n. Bark′er, a shop-tout: (slang) a pistol, cannon.—His bark is worse than his bite, his angry expressions are worse than his actual deeds. [A.S. beorcan, prob. a variety of brecan, to crack, snap. See Break.]

Bark, Barque, bärk, n. a barge: a ship of small size, square-sterned, without head-rails: technically, a three-masted vessel whose mizzen-mast is fore-and-aft rigged instead of being square-rigged, like the fore and main masts—barks of over 3000 tons are now frequently built.—ns. Bar′kantine, Bar′quentine, a three-masted vessel, with the fore-mast square-rigged, and the main-mast and mizzen-mast fore-and-aft rigged. [Fr. barque—Low L. barca; perh. from Gr. baris, a Nile-boat.]

Bark, bärk, n. the rind or covering of the trunk and branches of a tree: that used in tanning or dyeing, or the residue thereof, laid upon a street to deaden the sound, &c.: the envelopment or outer covering of anything.—v.t. to strip or peel the bark from: to rub off (skin).—n. Bark′-bed, a hotbed made of spent bark.—v.t. Bark′en, to dry up into a barky substance.—v.i. to become like bark.—adjs. Bark′less; Bark′y.—Cinchona, Jesuits', Peruvian bark, the bark of the cinchona, from which quinine is made. [Scand. börkr; Dan. bark.]

Barker's mill, bärk′ėrz mil, a water-wheel invented in the 18th century by Dr Barker.

Barley, bär′li, n. a hardy grain used for food, but chiefly for making malt liquors and spirits.—ns. Bar′ley-bree, -broth, strong ale; Bar′ley-corn, personified as John Barleycorn, the grain from which malt is made: a single grain of barley: a measure of length = ⅓ of an inch; Bar′ley-su′gar, a mixture of sugar with a decoction of pearl-barley, boiled till it is candied; Bar′ley-wat′er, a decoction of pearl-barley; Pearl′-bar′ley, the grain stripped of husk and pellicle, and completely rounded by grinding; Pot′-bar′ley, the grain deprived by milling of its outer husk, used in making broth, &c. [A.S. bærlíc, bere, and suffix -líc.]

Barley, bär′li, interj. (Scot.) a term used in games in demand of a truce, parley (of which it is most prob. a corruption).

Barley-brake, bär′li-brāk, n. an old country game, originally played by three couples, of which one, left in a middle den called 'hell,' had to catch the others, who could break or separate when about to be overtaken. [Perh. from the grain, barley, because often played in a barley-field; or perh. from the word preceding.]

Barm, bärm, n. froth of beer or other fermenting liquor, used as leaven: yeast.—adjs. Barm′y; Barm′y-brained, flighty. [A.S. beorma; cog. with Dan. bärme, Ger. bärme.]

Barmbrack, bärm′brak, n. a currant-bun. [Ir. bairigen breac, speckled cake.]