: having four sides
Examples of quadrilateral in a Sentence
Recent Examples on the Web
Quanta Magazine, 23 May 2023
Design chops: Located on the eastern end of the charming Brera neighborhood, close to the city’s famed fashion quadrilateral, the hotel is tucked away in an early 20th-century palazzo that until recently was the showroom and offices of designer Philipp Plein.
—Jackie Cooperman, Robb Report, 9 Mar. 2023
There are yet more triangles and quadrilaterals of affection, not always clearly mapped in Bradshaw’s vigorous trimming of the text.
—Jesse Green, New York Times, 28 Feb. 2023
Mathematicians recently discovered two quadrilaterals with that property — dartlike shapes with angle ratios of 1:1:1:9 and 1:1:2:8.
—Quanta Magazine, 15 Aug. 2017
Our examples above use equilateral triangles (regular triangles), squares (regular quadrilaterals) and regular hexagons.
—Quanta Magazine, 11 Dec. 2017
Finally, the scientists created quadrilaterals with different combinations of vertices.
—Adrian Cho, Science | AAAS, 14 Oct. 2019
These presumably would have yielded more complicated configurations of objects in the sky today: triangular arrangements of galaxies, along with quadrilaterals, pentagons and other shapes.
—Quanta Magazine, 29 Oct. 2019
Of the more than 65,000 possible quadrilaterals, only 140 of them would fold, the researchers found.
—Adrian Cho, Science | AAAS, 14 Oct. 2019
Hamidreza Azizi, Foreign Affairs, 14 Feb. 2024
Other initiatives are pretty well new, such as a quadrilateral co-production agreement between the four countries of Mercosur: Brazil, Argentina, Uruguay and Paraguay.
—John Hopewell, Variety, 28 Nov. 2023
Surprisingly, every triangle can tile the plane, and even more surprisingly, so can every quadrilateral.
—Quanta Magazine, 30 Oct. 2023
A number of rugs break free of the standard quadrilateral configuration, spilling into free-form shapes that call to mind a Brutalist MC Escher creation.
—Zoey Poll Kin Woo Rima Suqi Zoey Poll Roxanne Fequiere Gisela Williams, New York Times, 14 Sep. 2023
If a quadrilateral sponge can live in a pineapple under the sea, a squirrel can wonder about the Moon Hoax.
—Phil Plait, Discover Magazine, 27 Aug. 2011
The four sides of romance make for a thoroughly beguiling quadrilateral love triangle.
—oregonlive, 30 Oct. 2022
And though the forms are simple, straightedge and mostly quadrilateral, they’re handled in ways that hint at 3D perspective.
—Mark Jenkins, Washington Post, 5 Aug. 2022
The red-white-and-gold dome is molded with deep quadrilateral reliefs, which converge near its apex around a circular skylight.
—Brian Blickenstaff, Outside Online, 10 Dec. 2012
Noun
Penrose tiles are a pair of simple quadrilaterals that, with a careful set of rules, tile the plane without allowing translational symmetry.
—Quanta Magazine, 23 May 2023
Design chops: Located on the eastern end of the charming Brera neighborhood, close to the city’s famed fashion quadrilateral, the hotel is tucked away in an early 20th-century palazzo that until recently was the showroom and offices of designer Philipp Plein.
—Jackie Cooperman, Robb Report, 9 Mar. 2023
There are yet more triangles and quadrilaterals of affection, not always clearly mapped in Bradshaw’s vigorous trimming of the text.
—Jesse Green, New York Times, 28 Feb. 2023
Mathematicians recently discovered two quadrilaterals with that property — dartlike shapes with angle ratios of 1:1:1:9 and 1:1:2:8.
—Quanta Magazine, 15 Aug. 2017
Our examples above use equilateral triangles (regular triangles), squares (regular quadrilaterals) and regular hexagons.
—Quanta Magazine, 11 Dec. 2017
Finally, the scientists created quadrilaterals with different combinations of vertices.
—Adrian Cho, Science | AAAS, 14 Oct. 2019
These presumably would have yielded more complicated configurations of objects in the sky today: triangular arrangements of galaxies, along with quadrilaterals, pentagons and other shapes.
—Quanta Magazine, 29 Oct. 2019
Of the more than 65,000 possible quadrilaterals, only 140 of them would fold, the researchers found.
—Adrian Cho, Science | AAAS, 14 Oct. 2019
Adjective
And at the same time, Iran, Iraq, Russia, and Syria created a quadrilateral intelligence center to coordinate the fight against the Islamic State (or ISIS), marking the beginning of intelligence sharing between Russia and the PMF (although the sharing was limited and had little effect).
—Hamidreza Azizi, Foreign Affairs, 14 Feb. 2024
Other initiatives are pretty well new, such as a quadrilateral co-production agreement between the four countries of Mercosur: Brazil, Argentina, Uruguay and Paraguay.
—John Hopewell, Variety, 28 Nov. 2023
Surprisingly, every triangle can tile the plane, and even more surprisingly, so can every quadrilateral.
—Quanta Magazine, 30 Oct. 2023
A number of rugs break free of the standard quadrilateral configuration, spilling into free-form shapes that call to mind a Brutalist MC Escher creation.
—Zoey Poll Kin Woo Rima Suqi Zoey Poll Roxanne Fequiere Gisela Williams, New York Times, 14 Sep. 2023
If a quadrilateral sponge can live in a pineapple under the sea, a squirrel can wonder about the Moon Hoax.
—Phil Plait, Discover Magazine, 27 Aug. 2011
The four sides of romance make for a thoroughly beguiling quadrilateral love triangle.
—oregonlive, 30 Oct. 2022
And though the forms are simple, straightedge and mostly quadrilateral, they’re handled in ways that hint at 3D perspective.
—Mark Jenkins, Washington Post, 5 Aug. 2022
The red-white-and-gold dome is molded with deep quadrilateral reliefs, which converge near its apex around a circular skylight.
—Brian Blickenstaff, Outside Online, 10 Dec. 2012
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quadrilateral.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near quadrilateral
Cite this Entry
“Quadrilateral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrilateral. Accessed 23 Apr. 2024.
Copy CitationKids Definition
quadrilateral
1 of 2 adjective
quad·ri·lat·er·al
ˌkwäd-rə-ˈlat-ə-rəl 
-ˈla-trəl
: having four sides
quadrilateral
2 of 2 noun
: a polygon with four sides and four angles
Medical Definition
quadrilateral
adjective
quad·ri·lat·er·al
ˌkwäd-rə-ˈlat-ə-rəl, -ˈla-trəl
: having four sides
a quadrilateral muscle
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