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Meaning of QUADRILATERAL

Pronunciation:  `kwâdree'laturul

 
WordNet Dictionary
 
 Definition: 
  1. [n]  a four-sided polygon
  2. [adj]  having four sides
 

QUADRILATERAL is a 13 letter word that starts with Q.

 

 Synonyms: four-sided, many-sided, multilateral, quadrangle, tetragon
 
 See Also: parallelogram, polygon, polygonal shape, trapezium, trapezoid

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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.
    
    
  2. \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.
    
    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.
    
    
    
    
 

 

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