point formed by two intersecting arcs (as from the intrados of a Gothic arch)
a thin triangular flap of a heart valve
small elevation on the grinding surface of a tooth
- Cusp leather shoes were allegedly traceable from France.
- We are on the cusp of a global revolution in teaching and learning.
- The world occured for me on the cusp of magic and elementary science.
- We are just on the cusp between autumn and winter.