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Being of the color of the silkworm; transparent with a yellow tint. E. Darwin.

nes or bricks forming a wall. The bricks may be arranged for this purpose in several different ways, as in English or block bond (Fig. 1), where one course consists of bricks with their ends toward the face of the wall, called headers, and the next course of bricks with their lengths parallel to the face of the wall, c…

of the head, but no part of the forehead. The shape of the bonnet varies greatly at different times; formerly the front part projected, and spread outward, like the mouth of a funnel.

ound in the West Indies, nesting on the bare rocks. It is so called on account of its apparent stupidity. The name is also sometimes applied to other species of gannets; as, S. piscator, the red-footed booby.

Charter land held by deed under certain rents and free services, which differed in nothing from free socage lands. This species of tenure has given rise to the modern freeholds.

An instrument for regulating the electro-motive force in an alternating-current circuit; -- so called because used to "boost", or raise, the pressure in the circuit.

It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmalin…

A protuberant ornament on any work, either of different material from that of the work or of the same, as upon a buckler or bridle; a stud; a knob; the central projection of a shield. See Umbilicus.

A dipterous insect of the family (Estridæ, of many different species, some of which are particularly troublesome to domestic animals, as the horse, ox, and sheep, on which they deposit their eggs. A common species is one of the botflies of the horse (Gastrophilus equi), the larvæ of which (bots) are taken into the stom…

A certain process for producing upon articles of iron or steel an adherent coating of the magnetic oxide of iron (which is not liable to corrosion by air, moisture, or ordinary acids). This is accomplished by producing, by oxidation at about 1600º F. in a closed space, a coating containing more or less of the ferric ox…

A tree or shrub, flourishing in different parts of the world. The common box (Buxus sempervirens) has two varieties, one of which, the dwaft box (B.suffruticosa), is much used for borders in gardens. The wood of the tree varieties, being very hard and smooth, is extensively used in the arts, as by turners, engravers, m…

An adherent of the religion of the Brahmans.

A plait, band, or narrow fabric formed by intertwining or weaving together different strands. A braid of hair composed of two different colors twined together. Scott.

A species of wild goose (Branta bernicla) -- called also brent and brand goose. The name is also applied to other related species.

the arm. Brawn without brains is thine. Dryden. It was ordained that murderers should be brent on the brawn of the left hand. E. Hall. And in my vantbrace put this withered brawn. Shak.

A disease of sheep. The term is variously applied in different localities. [Scot.]

or battering, as in a wall or fortification; the space between the parts of a solid body rent by violence; a break; a rupture. Once more unto the breach, dear friends, once more; Or close the wall up with our English dead. Shak.

To clean, as a ship's bottom of adherent shells, seaweed, etc., by the application of fire and scraping.

h or oppose manfully; as, to breast the storm or waves. The court breasted the popular current by sustaining the demurrer. Wirt. To breast up a hedge, to cut the face of it on one side so as to lay bare the principal upright stems of the plants.

A rock composed of angular fragments either of the same mineral or of different minerals, etc., united by a cement, and commonly presenting a variety of colors. Bone breccia, a breccia containing bones, usually fragmentary. -- Coin breccia, a breccia containing coins.