Quadrilateral

Definition of Quadrilateral

Quad`ri`lat´er`al
a.1.Having four sides, and consequently four angles; quadrangular.
n.1.(Geom.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
2.An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano.
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.

Related Words

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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Quadrible
Quadric
Quadricapsular
Quadriceps
Quadricipital
Quadricorn
Quadricornous
Quadricostate
Quadridentate
Quadriennial
Quadrifarious
Quadrifid
Quadrifoil
Quadrifurcated
Quadriga
Quadrigeminal
Quadrigeminal bodies
Quadrigenarious
Quadrijugate
Quadrijugous
-Quadrilateral-
Quadrilateralness
Quadriliteral
Quadrille
Quadrillion
Quadrilobate
Quadrilocular
Quadrin
Quadrinodal
Quadrinomial
Quadrinomical
Quadrinominal
Quadripartite
Quadripartitely
Quadripartition
Quadripennate
Quadriphyllous
Quadrireme
Quadrisection
Quadrisulcate
Quadrisyllabic
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