1. Having or ending in a cusp or cusps; pointed or sharp-tipped.
Usage: Commonly used in mathematics, geometry, and anatomy.
2. Relating to or characterized by a cusp, especially in mathematics (a point where a curve has a sharp point or reversal of direction).
Usage: Technical term used in calculus and differential geometry.

Examples

• The cuspidal leaves of the holly plant have sharp points at their tips.
• In calculus, a cuspidal singularity occurs where the curve has a sharp corner.
• The cuspidal arch in Gothic architecture features a pointed apex.
• Cuspidal teeth are designed for tearing and gripping food.
• The graph displayed a cuspidal point where the derivative was undefined.