quadrilateral.
A polygon with four sides.
Meaning & usage
A polygon with four sides.
An area defended by four fortresses supporting each other.
The Venetian quadrilateral comprised Mantua, Peschiera, Verona, and Legnano.
Where this word comes from
Learned borrowing from New Latin quadrilaterus + -al.
Having four sides.
They spoke at a quadrilateral meeting of the trade ministers of the United States, the European Union, Canada, and Japan.
Where this word comes from
Learned borrowing from New Latin quadrilaterus + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.