1. (Science: geometry) 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.

(Science: geometry) Complete quadrilateral, 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.

Please contribute to this project, if you have more information about this term feel free to edit this page

This page was last modified on 3 October 2005, at 21:16. This page has been accessed 2,713 times. 
What links here | Related changes | Permanent link