QUADRILATERALS

Noun

quadrilaterals

plural of quadrilateral

Source: Wiktionary


QUADRILATERAL

Quad`ri*lat"er*al, a. Etym: [L. quadrilaterus: cf. F. quadrilatère, quadrilatéral. See Quadri- and Lateral.]

Definition: Having four sides, and consequently four angles; quadrangular.

Quad`ri*lat"er*al, n.

1. (Geom.)

Definition: A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.

2. An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano. Complete quadrilateral (Geom.), the figure made up of the six straight lines that can be drawn through four points, A., B, C, I, the lines being supposed to be produced indefinitely.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 May 2025

DESIRABLE

(adjective) worth having or seeking or achieving; “a desirable job”; “computer with many desirable features”; “a desirable outcome”


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Coffee Trivia

The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.

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