English Explanatory Dictionary

quadrilateral

English dictionary entry

Meanings

noun
  1. A polygon with four sides.
  2. An area defended by four fortresses supporting each other.
adj
  1. Having four sides.

Pronunciation

/ˌkwɒdɹɪˈlætəɹəl/ /ˌkwɑdɹəˈlætəɹəl/ [ˌkʰw̥ɑd̠ɹ̠˔ʷɪ̈ˈlæɾəɹəɫ] kwäd'rə-lăt′ər-əl En-us-quadrilateral.ogg En-ca-quadrilateral.oga

Word forms

quadrilateral quadrilaterals

Etymology

Learned borrowing from Latin quadrilaterus + -al.

Synonyms

4-gon tetragon quadrilateral quadrangle tetract

Derived words

cyclic quadrilateral gyroquadrilateral quadrilateral space syndrome nonquadrilateral quadrilaterality quadrilateralize quadrilaterally quadrilateralness
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