American English

Definition of cusp noun from the Oxford Advanced American Dictionary



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  1. 1(technology) a pointed end where two curves meet the cusp of a leaf
  2. 2the time when one sign of the zodiac ends and the next begins I was born on the cusp between Virgo and Libra. (figurative) He was on the cusp between small acting roles and moderate fame.
See the Oxford Advanced Learner's Dictionary entry: cusp