Quadrilateral

[,kwɒdrɪ'læt(ə)r(ə)l] or [,kwɑdrɪ'lætərəl]

Definition

(noun.) a four-sided polygon.

(adj.) having four sides .

Typist: Mag--From WordNet

Definition

(a.) Having four sides, and consequently four angles; quadrangular.

(n.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.

(n.) An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano.

Edited by Estelle

Synonyms and Synonymous

a. Four-sided.

Typed by Jaime

Definition

adj. having four sides.—n. (geom.) a plane figure having four sides: the four fortresses—Mantua Verona Peschiera and Legnago—which form the points of a quadrilateral.—n. Quadrilat′eralness.

Checked by Justin