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ers of the same kind, in assigning to them numerical values, as 1 foot, 1 yard, 1 mile, 1 square foot, 1 square yard, 1 cubic foot, 1 peck, 1 bushel, 1 gallon, 1 cent, 1 ounce, 1 pound, 1 hour, and the like; more specifically, the fundamental unit adopted in any system of weights, measures, or money, by which its sever…

y exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch. Vacuum brake, a kind of continuous brake operated by exhausting the air from some appliance under each car, and so causing the pressure of the atmosphere to apply the brakes. -- Vacuum pan (Technol.), a kind of large…

A square, hollow place on the back of a calcining furnace, where tin ore is laid to dry.

of a main window with an arched head, having on each side a long and narrow window with a square head.

are allied to the sea-pens, but have a long rodlike rhachis inclosing a slender, round or square, calcareous axis. The polyps are arranged in transverse rows or clusters along each side of the rhachis.

A sharp or uneven edge on a board that is cut from a log not perfectly squared, or that is made in the process of squaring. See Wany, a.

fore the wind with the foresail on one side and the mainsail on the other; also said of a square-rigged vessel which has her studding sails set. Cf. Goosewinged. -- Wing case (Zoöl.), one of the anterior wings of beetles, and of some other insects, when thickened and used to protect the hind wings; an elytron; -- call…

fically, the seat of the lord chancellor of England in the House of Lords, being a large, square sack of wool resembling a divan in form.

d description, which presents an object clearly to the mind, as if in a picture. -- Word square, a series of words so arranged that they can be read vertically and horizontally with like results.

nvex decks, used in the Mediterranean for transporting merchandise, etc. It carries large square sails, or both. Xebecs were formerly armed and used by corsairs.

imber, nearly cylindrical, tapering toward the ends, and designed to support and extend a square sail. A yard is usually hung by the center to the mast. See Illust. of Ship. Golden Yard, or Yard and Ell (Astron.), a popular name the three stars in the belt of Orion. -- Under yard [i. e., under the rod], under contract…

Either half of a square-rigged vessel's yard, from the center or mast to the end.