Definition of quadrangular adjective from the Oxford Advanced Learner's Dictionary

     

    quadrangular

     adjective
    adjective
    BrE BrE//kwɒˈdræŋɡjələ(r)//
     
    ; NAmE NAmE//kwɑːˈdræŋɡjələr//
     
     
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  1. 1(geometry) (of a shape) having four sides and flat rather than solid
  2. 2(of a sporting competition) involving four teams or individuals who each compete against all the others
See the Oxford Advanced American Dictionary entry: quadrangular