Quadrilateral

noun

/ˌkwɒd.ɹəˈlæt.əɹ.əl/

Word Frequency: 0.4

Definitions

1.nounA polygon with four sides.

2.nounAn area defended by four fortresses supporting each other.

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

3.adjectiveHaving four sides.

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