Quadrilateral

//ˌkwɑd.ɹəˈlæt.ɚ.əl// adj, noun

Definitions

Adjective
  1. 1
    Having four sides. not-comparable
Adjective
  1. 1
    having four sides wordnet
Noun
  1. 1
    A polygon with four sides.
  2. 2
    a four-sided polygon wordnet
  3. 3
    An area defended by four fortresses supporting each other.

    "The Venetian quadrilateral comprised Mantua, Peschiera, Verona, and Legnano."

Etymology

Etymology 1

Learned borrowing from Latin quadrilaterus + -al.

Etymology 2

Learned borrowing from Latin quadrilaterus + -al.

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