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Webster 1913 Edition
Quadrilateral
Quadˊri-lat′er-al
,Noun.
1.
(Geom.)
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 LegnanoComplete 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.
Webster 1828 Edition
Quadrilateral
QUADRILAT'ERAL
,Adj.
QUADRILAT'ERAL
,Noun.
Definition 2024
quadrilatéral
quadrilatéral
See also: quadrilateral
French
Adjective
quadrilatéral m (feminine singular quadrilatérale, masculine plural quadrilatéraux, feminine plural quadrilatérales)