: having four sides
Examples of quadrilateral in a Sentence
Recent Examples on the Web
Percy Zvomuya, Artforum, 1 June 2025
After the birds understood this game, the researchers started showing them sets of shapes that included squares, parallelograms, or irregular quadrilaterals.
—Nell Greenfieldboyce, NPR, 12 Apr. 2025
Jackson McHenry, Vulture, 6 May 2025
Under the Hood Nvidia Edify uses something called ‘quad mesh’ models where 3D objects are made up of quadrilateral or four-sided polygons.
—John Werner, Forbes, 26 Nov. 2024
See All Example Sentences for quadrilateral
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Noun
Her grammar consisted of triangles, the razor-blade shape, and rhombuses, sometimes in which quadrilaterals—a color-rich, playful visualization of Euclidean geometry—jostled with figuration.
—Percy Zvomuya, Artforum, 1 June 2025
After the birds understood this game, the researchers started showing them sets of shapes that included squares, parallelograms, or irregular quadrilaterals.
—Nell Greenfieldboyce, NPR, 12 Apr. 2025
Adjective
There’s a lot of comedy in the unwieldy quadrilateral chest panel of Alex’s dress.
—Jackson McHenry, Vulture, 6 May 2025
Under the Hood Nvidia Edify uses something called ‘quad mesh’ models where 3D objects are made up of quadrilateral or four-sided polygons.
—John Werner, Forbes, 26 Nov. 2024
See All Example Sentences for quadrilateral
Cite this Entry
“Quadrilateral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrilateral. Accessed 8 Jun. 2025.
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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