
Definition of Quadrilateral
1. Noun. A foursided polygon.
Generic synonyms: Polygon, Polygonal Shape
Specialized synonyms: Parallelogram, Trapezium, Trapezoid
Derivative terms: Quadrangular, Tetragonal
2. Adjective. Having four sides.
Definition of Quadrilateral
1. a. Having four sides, and consequently four angles; quadrangular.
2. n. A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
Definition of Quadrilateral
1. Noun. a polygon having four sides. ¹
2. Adjective. having four sides. ¹
¹ Source: wiktionary.com
Definition of Quadrilateral
1. [n S]
Medical Definition of Quadrilateral
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Quadrilateral Pictures
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Lexicographical Neighbors of Quadrilateral
Literary usage of Quadrilateral
Below you will find example usage of this term as found in modern and/or classical literature:
1. Projective Geometry by Oswald Veblen, John Wesley Young (1910)
"It consists of four quadrilateral. It consists of four vertices and six sides.
... quadrilateral.* The assumptions A and E on which all our reasoning is ..."
2. The Advanced Part of A Treatise on the Dynamics of a System of Rigid Bodies by Edward John Routh (1892)
"Network with quadrilateral openings. To bring these particles into order we ...
Show that the geometrical peculiarity of this quadrilateral network is that ..."
3. The Advanced Part of A Treatise on the Dynamics of a System of Rigid Bodies by Edward John Routh (1892)
"Network with quadrilateral openings. To bring these particles into order we ...
Show that the geometrical peculiarity of this quadrilateral network is that ..."
4. Trilinear Coordinates and Other Methods of Modern Analytical Geometry of Two by William Allen Whitworth (1866)
"So the critical circumscribed conic of the quadrilateral CAC'A ' touches the four
straight lines Cc, Aa, C'c, A'a, and the critical circumscribed conic of ..."
5. The Theory and Practice of Surveying: Designed for the Use of Surveyors and by John Butler Johnson (1886)
"In the quadrilateral in Fig. 142 there are eight observed angles, A,, ... In the
quadrilateral ABCD we have four triangles in which all the angles have been ..."
6. Trilinear Coordinates and Other Methods of Modern Analytical Geometry of Two by William Allen Whitworth (1866)
"So the critical circumscribed conic of the quadrilateral CAC'A' touches the ...
Amongst the conies inscribed in the quadrilateral BCBC' there is one whose ..."