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An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano. Complete quadrilateral (Geom.), the figure made up of the six straight lines that can be drawn through four points, A., B, C, I, the lines being supposed to be produced indefinit…

A Shakespearean word (used once) supposed to mean the same as race, a root.

5-98, one of the rural noncombatants who were concentrated by the military authorities in areas surrounding the fortified towns, and later were reconcentrated in the smaller limits of the towns themselves.

A circular area in which races are or run or other sports are performed; an arena. Place me. O, place me in the dusty ring, Where youthful charioteers contened for glory. E. Smith.

and America. -- Yellow rocket (Bot.), a common cruciferous weed with yellow flowers (Barbarea vulgaris).

A Shakespearean word of uncertain meaning. Perhaps "fattened in the rump, pampered." "The rump-fed ronyon."

e under pectoral. -- Scapular region, or Scapular tract (Zoöl.), a definite longitudinal area over the shoulder and along each side of the back of a bird, from which the scapular feathers arise.

Extended area. [Obs.] "The scopes of land granted to the first adventurers." Sir J. Davies.

One of the smooth areas surrounding the tubercles of a sea urchin.

A volcanic area or vent which yields only sulphur vapors, steam, and the like. It represents the stages of the volcanic activity.

be not more than 32 feet; the weight, not less than 4,035 pounds (without crew); the sail area, not more than 550 square yards; and the cost of construction (for American boats) not more than $2400. The crew must be amateurs and citizens of the country in which the yacht was built.

An area of four sides, generally with houses on each side; sometimes, a solid block of houses; also, an open place or area for public use, as at the meeting or intersection of two or more streets. The statue of Alexander VII. stands in the large square of the town. Addison.

Minute vesicles surrounded by an area of reddened skin, produced by excessive sweating.

The surface; the exterior part, superficial area, or face of a thing.

assaulting column had the support of a battery. Points of support (Arch.), the horizontal area of the solids of a building, walls, piers, and the like, as compared with the open or vacant spaces. -- Right of support (Law), an easement or servitude by which the owner of a house has a right to rest his timber on the wal…

d by dividing the gross weight, in pounds, of a fully loaded flying machine, by the total area, in square feet, of its supporting surface.

liquids and tends to bring the contained volume into a form having the least superficial area. The thickness of this film, amounting to less than a thousandth of a millimeter, is considered to equal the radius of the sphere of molecular action, that is, the greatest distance at which there is cohesion between two part…

That branch of applied mathematics which teaches the art of determining the area of any portion of the earth's surface, the length and directions of the bounding lines, the contour of the surface, etc., with an accurate delineation of the whole on paper; the act or occupation of making surveys. Geodetic surveying, geod…

A broad, level, elevated area of land; a plateau. The toppling crags of Duty scaled, Are close upon the shining table- lands To which our God himself is moon and sun. Tennyson.

An area in the pigmented layer of the choroid coat of the eye in many animals, which has an iridescent or metallic luster and helps to make the eye visible in the dark. Sometimes applied to the whole layer of pigmented epithelium of the choroid.