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Quadrilateral   Listen
Quadrilateral  n.  
(Geom.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
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 indefinitely.

Collaborative International Dictionary of English 0.48

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"Quadrilateral" Quotes from Famous Books

... as brilliantly as it began. After leaving Milan, Napoleon approached the frontiers of Austria, against which he was to fight before the end of the year, visiting the celebrated quadrilateral, consisting of the four fortified towns: Mantua, Peschiera, Verona, and Legnago. He was present at a mimic representation of the battle of Castiglione, in which twenty-five thousand men took part on the field upon which that battle had been fought; ...
— The Court of the Empress Josephine • Imbert de Saint-Amand

... British possession under the government of the Straits Settlements, situated in the eastern part of the Indian Ocean (in 10 deg. 25' S., 105 deg. 42' E.), about 190 m. S. of Java. The island is a quadrilateral with hollowed sides, about 12 m. in greatest length and 9 in extreme breadth. It is probably the only tropical island that had never been inhabited by man before the European settlement. When the first ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... on a wooded slope around which the river swept through narrows to spread itself below in a lake three miles wide and almost thirty long. In shape it was quadrilateral with a frontage of fifty toises and a depth of thirty, and from each angle of its stone walls abutted a flanking tower, the one at the western angle taller than the others by a good twenty feet and ...
— Fort Amity • Arthur Thomas Quiller-Couch

... its mediaeval fortifications just as they were left by Philip the Bold, son of S. Louis. The plan of the town is almost quadrilateral, it has six gates and fifteen towers. Only one angle of the parallelogram is cut off, where stands the stately circular tower of Constance. The streets are laid out in the most precise manner, cutting each other at right angles; ...
— In Troubadour-Land - A Ramble in Provence and Languedoc • S. Baring-Gould

... in hot alcohol of 60 per cent., and in ether and ligroine, from which solutions it crystallizes in quadrilateral shining prisms. It is extremely soluble in chloroform, but almost insoluble in water. It melts at 121 deg. C., forming ...
— Scientific American Supplement, No. 315, January 14, 1882 • Various

... something else which the colonel wished us to see before we left the hill of Ste. Genevieve. It appealed to his Gallic sentiment, this quadrilateral of stone on the highest point where legend tells that "Jovin, a Christian and very faithful, vanquished the ...
— My Year of the War • Frederick Palmer

... out of his tool pack, transferred it to his left hand, and took out a hammer. Then, working carefully, he hammered the piton into a narrow cleft in the rock. Three more of the steel spikes were hammered into the surface, forming a rough quadrilateral around the Pole. ...
— Anchorite • Randall Garrett

... town was, as we have seen, enclosed by walls, perhaps by Canute, certainly by the Normans, and these seem to have been enlarged by King John, and rebuilt and repaired after the French raid of 1338. They formed a rude quadrilateral, roughly seven hundred yards from north to south, and three hundred from east to west, were from twenty-five to thirty feet high and of varying thickness. Something of them still remains, especially ...
— England of My Heart—Spring • Edward Hutton

... passably," said Bumpo. "I liked it all except the algebra and the shoes. The algebra hurt my head and the shoes hurt my feet. I threw the shoes over a wall as soon as I got out of the college quadrilateral this morning; and the algebra I am happily forgetting very fast—I liked Cicero—Yes, I think Cicero's fine—so simultaneous. By the way, they tell me his son is rowing for our ...
— The Voyages of Doctor Dolittle • Hugh Lofting

... nodding; stipe concolorous or darker below, subulate, curved at the apex, 2-4 times the sporangium; calyculus about one-half the sporangium, finely ribbed and granulose within, the margin nearly even; the net rather rudimentary, the meshes large, triangular or quadrilateral, the nodules also large, flat, concolorous, the threads slender, transparent, with free ends few; spores in mass copper-colored, by transmitted light ...
— The North American Slime-Moulds • Thomas H. (Thomas Huston) MacBride

... probably part of the Forum, with which it was connected by colonnades extending east and west. It is 75 ft. long, 39 wide, and 39 high, and is supposed to have been erected in the time of Antoninus Pius. It stands on a platform, and is encompassed by a quadrilateral peristyle of 30 Roman-Corinthian columns surmounted by a plain architrave, scroll frieze, sculptured dentils, and a fluted cornice. All the columns are attached, excepting the ten which support the pediment. In the area within the ...
— The South of France—East Half • Charles Bertram Black

... could be perceived the dumpy form of Mrs. Duke, with cushions and a form of countenance that already threatened slumber. At the other end sat the accused Smith, in a kind of dock; for he was carefully fenced in with a quadrilateral of light bedroom chairs, any of which he could have tossed out the window with his big toe. He had been provided with pens and paper, out of the latter of which he made paper boats, paper darts, and paper dolls contentedly throughout the whole proceedings. ...
— Manalive • G. K. Chesterton

... was quadrilateral, but the sides were so irregular that it was much more nearly a triangle, the comparison of the sides exhibiting these proportions: The section of the right bank of the Shelif, seventy-two miles; the southern boundary from the Shelif ...
— Off on a Comet • Jules Verne

... Raouf Bey to divide the troops in four stockades, which formed a sort of quadrilateral. This officer suggested that the men might all be massacred by a Bari night-attack if thus divided, and he proposed to inclose the whole force of 450 men within one zareeba, like sheep or cattle! In spite of our successes, ...
— Ismailia • Samuel W. Baker

... is extended in surgical position, as seen in Plates 3 and 4, its general outline assumes a quadrilateral shape, approaching to a square. The sides of this square are formed anteriorly by the line ranging from the mental symphysis to the top of the sternum, and posteriorly by a line drawn between the occiput and shoulder. The superior side of this cervical square ...
— Surgical Anatomy • Joseph Maclise

... the nucleus of the town, appears as a large quadrilateral, containing more than a thousand acres in the north and west part of the town. Who the Prescott was to whom the grant was made is not known, further than that he must have been some one who had rendered military or other services to the State. That he ...
— The Bay State Monthly, Volume II. No. 2, November, 1884 • Various

... of the square or rectangle, as has been done to this time, you will suppose your place inclosed in a regular hexagon, this polygon having the advantage of offering more angles than the quadrilateral one. Every side of your hexagon, of which you will determine the length in proportion to the dimensions taken upon the place, will be divided into two parts and upon the middle point you will elevate a perpendicular towards the center of the polygon, which ...
— Ten Years Later - Chapters 1-104 • Alexandre Dumas, Pere

... and one (of, say 65 deg.) with the posterior plane that is perpendicular to it; taking care at the same time to leave between each parallelopedal section an insterstice isometrical with the smaller sides of any one of their six quadrilateral superficies, so as to admit of the free circulation of the atmospheric fluid. Superimposed upon this, arrange several moderate-sized concretions of the hydro-carburetted substance (vulgo coal), approximating ...
— Punch, or the London Charivari, Vol. 1, August 28, 1841 • Various

... between the Russian and Japanese spheres in Manchuria, and with Japanese shallow-draft gun-boats navigating that waterway and entering the Nonni river, it would be easily possible for Japan to complete a "Continental quadrilateral" which would include Korea, South Manchuria and Inner Mongolia, the extreme western barrier of which would be the new system of Inner Mongolian railways centring round Taonanfu and terminating at Jehol, for which Japan already ...
— The Fight For The Republic in China • Bertram Lenox Putnam Weale

... could hardly wait to get home before undoing the package. The font formed a compact quadrilateral wound around the edges with string. The letters were all arranged in order—four capital A's—A A A A—then the Bs, and so on. It differed from his own font. The one that came with his press had just three of each ...
— The Adventures of Bobby Orde • Stewart Edward White

... is a statement which (1) names the class to which the term belongs, and (2) distinguishes it from other members of the class. Example. A quadrilateral is a plane figure having four sides and four angles. To test a definition ask whether it separates the term defined from all other things. If the definition does not do this, it is incomplete. Define California (so as to exclude other states), window (so as to exclude ...
— The Century Handbook of Writing • Garland Greever

Words linked to "Quadrilateral" :   polygon, polygonal shape, quadrangle, trapezium, multilateral, four-sided

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