1. 
   quadrangular
   [adj] - of or relating to or shaped like a quadrangle
   Found op http://www.webdictionary.co.uk/definition.php?query=quadrangular
   
   
2. 
   Quadrangular
   Quad·ran'gu·lar adjective [ Confer French quadrangulaire .] Having four angles, and consequently four sides; tetragonal. -- Quad*ran'gu*lar*ly , adverb
   Found op http://www.encyclo.co.uk/webster/Q/1
   
   
3. 
   quadrangular
   Having four angles. ... Origin: L. Quadrangularis, fr. Quadrangulum, quadrangle ... (05 Mar 2000) ...
   Found op http://www.mondofacto.com/facts/dictionary?quadrangular
   
   
4. 
   quadrangular
   adjective of or relating to or shaped like a quadrangle
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=quadrangular
   
   
5. 
   quadrangular
   (kwod-rang´gu-lәr) having four angles; see quadrilateral (def. 1).
   Found op http://www.encyclo.co.uk/local/21001
   
   
6. 
   Quadrangular
   • (a.) Having four angles, and consequently four sides; tetragonal.
   Found op http://thinkexist.com/dictionary/meaning/quadrangular/
   
   
7. 
   quadrangular
   Type: Term Pronunciation: kwah-dran′gyū-lăr Definitions: 1. Having four angles. See: quadrangular membrane
   Found op http://www.medilexicon.com/medicaldictionary.php?t=74602
   
   
8. 
   quadrangular
   Latin quadri = four and angulus = angle; hence square or rectangular.
   Found op http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?
   
   
9. 
   quadrangular
   1) Of or relating to or shaped like a quadrangle 2) Polygon 3) Polygonal shape
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/quadrangular/1
   
   

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