quadrilateral

Noun
  1. A four-sided polygon (synset 113901783)
    is a type of: polygon, polygonal shape - a closed plane figure bounded by straight sides
    subtypes:
    • parallelogram - a quadrilateral whose opposite sides are both parallel and equal in length
    • trapezium - a quadrilateral with no parallel sides
    • trapezoid - a quadrilateral with two parallel sides
    same as: quadrangle, tetragon
Adjective
  1. Having four sides (synset 300239992)
    similar to: many-sided, multilateral - having many parts or sides
    same as: four-sided

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