## Definitions

• WordNet 3.6
• n quadrangle a rectangular area surrounded on all sides by buildings
• n quadrangle a four-sided polygon
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Webster's Revised Unabridged Dictionary
• Quadrangle (Geom) A plane figure having four angles, and consequently four sides; any figure having four angles.
• Quadrangle A square or quadrangular space or inclosure, such a space or court surrounded by buildings, esp. such a court in a college or public school in England.
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Century Dictionary and Cyclopedia
• n quadrangle A plane figure having four angles; a foursquare figure; a quadrilateral; in mod. geom., a plane figure formed by six lines intersecting at four points.
• n quadrangle A square or oblong court nearly or quite surrounded by buildings: an arrangement common with public buildings, as palaces, city halls, colleges, etc.
• n quadrangle In palmistry, the space between the line of the heart and that of the head.
• n quadrangle A square block of buildings.
• n quadrangle Any square block, as of stone.
• n quadrangle A region measuring 15′ lat. by 15′ long. (or 30′ lat. by 30′ long., or 1° lat, by 1° long., according to the density of tho population) as shown on an atlas sheet of the United States Geological Survey.
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Chambers's Twentieth Century Dictionary
• n Quadrangle kwod′rang-gl a square surrounded by buildings:
• n Quadrangle kwod′rang-gl (geom.) a plane figure having four equal sides and angles: in the jargon of palmistry, the space between the line of the heart and that of the head
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## Etymology

Webster's Revised Unabridged Dictionary
F., fr. L. quadrangulum,; quattuor, four + angulus, an angle. See Four, and Angle a corner
Chambers's Twentieth Century Dictionary
Fr.,—L. quadrangulumquatuor, four, angulus, an angle.

## Usage

### In literature:

The dinner at 9 p.m. was held in a quadrangle of the hotel.
"Reminiscences of Queensland" by William Henry Corfield
Singular speculations hover in my mind as the scene darkens and the quadrangle below begins to empty in the last hours of night.
"What I Saw in America" by G. K. Chesterton
Darry's house was one of the lowest in the dell, out of the quadrangle, and had a glimpse of the river.
"Daisy" by Elizabeth Wetherell
Ossaroo first commanded four large posts to be brought, and set in the ground in a quadrangle of about eight feet in length and width.
"The Plant Hunters" by Mayne Reid
This was always built in the form of a court or quadrangle.
"The History of London" by Walter Besant
In summer, the quadrangle is bright with geraniums, and through a passage opposite the entrance is a glimpse of a simple kitchen garden.
"Highways and Byways in Surrey" by Eric Parker
The boys surged out of the Archway into the Quadrangle to meet him.
"The Boy Scouts Book of Stories" by Various
The little cloister was, in fact, a house built round a quadrangle.
"Memorials of Old London" by Various
Peter, knowing that she was somewhere in that quadrangle of rearing horses, struck forward, stumbling over fallen bodies, slipping in mud.
"Peter the Brazen" by George F. Worts
In another minute they were crossing a large quadrangle, paved with marble, and tastefully decorated with a pigsty in each corner.
"A Tangled Tale" by Lewis Carroll
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### In poetry:

And some in gardens where the grass
Mossed o'er the green quadrangle's breast,
There dwelt each flower, a welcome guest,
In crystal palaces of glass:
"The Meetings Of The Flowers" by Denis Florence MacCarthy
I pernoctated with the Oxford students once,
And in the quadrangles, in the cloisters, on the Cher,
Precociously knocked at antique doors ajar,
Fatuously touched the hems of the Hierophants,
Sick of my dissonance;
"An American Addresses Philomela" by John Crowe Ransom

### In news:

Chancellor Brady Deaton speaks about the importance of the veterans community at MU during the Patriot Day barbecue Tuesday at Francis Quadrangle.
This week, Mayor Michael Bloomberg decided to withdraw \$5 billion of his fortune from the Quadrangle Group, an investment firm founded by his close friend Steven Rattner.
No charges have been brought against the firm or Mr Rattner by the attorney general of New York or the Securities and Exchange Commission, which are both investigating Quadrangle 's past dealings with the New York state pension fund.
The eastern-downtown area that has long wanted to be known as The Quadrangle now has a new name: The Campus District.
It will be years before the final returns on the rest are tallied, but at the moment the winners in Quadrangle 's portfolio clearly outnumber the losers.
SportsWorld by Robert Lipsyte Quadrangle, 288 pp.
Graduates of the University of Rochester convened on the school's Eastman Quadrangle in Rochester, N.Y.
How'd Lenny Kravitz get pulled into a tabloid love quadrangle with Lenny Kravitz, Mr and Mrs Rod and Madonna.
Theatre Three, 2800 Routh Street in the Quadrangle.
My favorite political moment of the 1960s was a Black Panther rally in a quadrangle of Smith College on a luxuriant spring day.
This is a Swedish celebration with a candlelight procession and music at 6 pm and 8 pm each night in the California Quadrangle by the San Diego Museum of Man.
Bizarre love quadrangle complications with Lois Lane and Steve.
Mediterranean Cooking by Paula Wolfert Quadrangle, 384 pp.
Fourteen buildings, six Columns, 9,500 square feet of gardens, tons of history and memories, the Francis Quadrangle at MU is one of Columbia's most-loved icons.
Extended through Oct 28 at Theatre Three in the Quadrangle, 2800 Routh St, Dallas.
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### In science:

Let M be a half-plane UIPQ and let us reveal the quadrangle that contains the root edge.
Percolations on random maps I: half-plane models
This further splits according to whether the fourth vertex of the quadrangle lies on the boundary of the ﬁnite region or of the inﬁnite region.
Percolations on random maps I: half-plane models
In this case the revealed quadrangle separates from inﬁnity two segments along the boundary of lengths k1 and k2 as depicted on the ﬁgure below.
Percolations on random maps I: half-plane models
Explicit evaluation shows that in the present case only those with two or three external ﬁelds (i.e. the triangle and quadrangle graphs) contribute.
Anomalous Fermion Number Non-Conservation on the Lattice
For the twisted cubic, conv(A) is a line segment of normalized length 3. (b) For the cubic scroll S2,1 , conv(A) is a quadrangle with three edges of unit length and one edge of length two.
Equations Defining Toric Varieties
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