cusp
n.（名词）A point or pointed end.顶点，尖端Anatomy 【解剖学】 A pointed or rounded projection on the chewing surface of a tooth.牙尖：牙齿咬合面上的尖状或圆形凸起A triangular fold or flap of a heart valve.尖瓣：心脏瓣膜的褶皱或瓣片之一Mathematics A point at which a curve crosses itself and at which the two tangents to the curve coincide.【数学】 尖点，会切点：曲线上的一个点，曲线在该点与其本身相交，曲线的两条切线在该点重合Architecture The point of intersection of two ornamental arcs or curves, such as the inner points of a trefoil.【建筑学】 尖顶：两条装饰性弧线或曲线的交叉点，如三叶饰的内尖顶Astronomy Either point of a crescent moon.【天文学】 月角：新月的任一月尖A transitional point or time, as between two astrological signs.过渡：过渡点或过渡时间，尤指占星术的两个天宫之间的
来源：Latin cuspis [point] 拉丁语 cuspis [尖端]
