| 释义 |
quad·ri·lat·er·al
I. \|kwädrə|lad.ərəl, -atərəl, -a.trəl sometimes |kwȯd-\ adjective
Etymology: probably from (assumed) New Latin quadrilateralis, from Latin quadrilaterus quadrilateral (from quadri- + later-, latus side) + -alis -al — more at lateral
1. : having four sides — used especially of a plane figure
2. : shared by four parties
< quadrilateral control by foreign powers >
II. noun
(-s)
1. : a plane figure of four sides and consequently four angles : a quadrangular figure : a plane figure formed by four lines — see complete quadrilateral
2. : something resembling or suggesting a quadrilateral; specifically : an area defended by four fortresses supporting each other |