Define the word quadrilateral"Quadrilateral" gcide "The Collaborative International Dictionary of English v.0.48"
Quadrilateral \Quad`ri*lat"er*al\, a. [L. quadrilaterus: cf. F.
quadrilat[`e]re, quadrilat['e]ral. See Quadri- and
Lateral.]
Having four sides, and consequently four angles;
quadrangular.
[1913 Webster]
"Quadrilateral" gcide "The Collaborative International Dictionary of English v.0.48"
Quadrilateral \Quad`ri*lat"er*al\, n.
1. (Geom.) A plane figure having four sides, and consequently
four angles; a quadrangular figure; any figure formed by
four lines.
[1913 Webster]
2. An area defended by four fortresses supporting each other;
as, the Venetian quadrilateral, comprising Mantua,
Peschiera, Verona, and Legnano.
[1913 Webster]
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.
[1913 Webster]
"quadrilateral" wn "WordNet (r) 2.0"
quadrilateral
adj : having four sides [syn: four-sided]
n : a four-sided polygon [syn: quadrangle, tetragon]
"quadrilateral" moby-thes "Moby Thesaurus II by Grady Ward, 1.0"
51 Moby Thesaurus words for "quadrilateral":
bifacial, bilateral, biquadratic, cube-shaped, cubed, cubic,
cubiform, cuboid, diced, dihedral, flanked, four, four-legged,
four-rayed, foursquare, handed, lateral, many-sided, multilateral,
oblong, one-sided, orthogonal, polyhedral, quadrangular, quadrate,
quadric, quadriform, quadrinomial, quadrivalent, quadruped,
quartic, quartile, quaternary, rectangular, rhombic, rhomboid,
sided, square, tetractinal, tetrad, tetragonal, tetrahedral,
tetravalent, three-sided, trapezohedral, trapezoid, trihedral,
trilateral, triquetrous, two-sided, unilateral
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