cusp
noun /kʌsp/
/kʌsp/
- [countable] (specialist) a pointed end where two curves meet
（两曲线相交的）尖点，会切点，交点 - the cusp of a leaf
叶尖
- the cusp of a leaf
- [singular] the time of change between two different states
（黄道十二宫的）两宫会切的时辰 - on the cusp of something two girls on the cusp of adulthood
两个即将成年的女孩 - on the cusp between A and B He was on the cusp between small acting roles and moderate fame.
他这个配角演员现在已是小荷初露尖尖角。
- on the cusp of something two girls on the cusp of adulthood
- [singular] the time when one sign of the zodiac ends and the next begins
（黄道十二宫的）两宫会切的时辰 - on the cusp between A and B I was born on the cusp between Virgo and Libra.
我生于室女宫和天秤宫会切的时辰。
- on the cusp between A and B I was born on the cusp between Virgo and Libra.
词源late 16th cent. (in sense (2)): from Latin cuspis ‘point or apex’.