cusp

/kʌsp/
noun
  1. A point of transition between two different states or periods; the verge or brink of something.
    • The company is on the cusp of launching its new product after years of development.
    • She was on the cusp of adulthood, about to turn eighteen.
    • The team is on the cusp of winning the championship for the first time.
  2. A pointed end or projection, such as on a tooth or a crescent moon.
    • The leaf had a delicate cusp at its tip.
    • The crescent moon's sharp cusp was visible in the evening sky.
    • The dentist noticed a small cavity on the cusp of her molar.
  3. In astrology, the point of division between two zodiac signs; a person born near that point.
    • She read her horoscope for the cusp between Pisces and Aries.
    • Being born on the cusp can make your personality a mix of two signs.
    • My birthday is on the cusp of Leo and Virgo, so I have traits of both signs.
What does "cusp" mean? | whatsthatwordmean | whatsthatwordmean