tri·lat·er·al /(ˌ)traɪˈlætərəl, ˈlætrəl/
(a.)有三邊的,對三者有關係的三角形
Tri·lat·er·al a. Geom. Having three sides; being three-sided; as, a trilateral triangle. -- Tri*lat*er*al*ly, adv. -- Tri*lat*er*al*ness, n.
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trilateral
adj 1: involving three parties or elements; "the triangular
mother-father-child relationship"; "a trilateral
agreement"; "a tripartite treaty"; "a tripartite
division"; "a three-way playoff" [syn: triangular, tripartite,
three-party, three-way]
2: having three sides; "a trilateral figure" [syn: triangular,
three-sided]
n : a three-sided polygon [syn: triangle, trigon]