A type of cusp as illustrated above for the curve .
Ramphoid Cusp
See also
Cusp, Keratoid CuspExplore with Wolfram|Alpha
References
Walker, R. J. Algebraic Curves. New York: Springer-Verlag, pp. 57-58, 1978.Referenced on Wolfram|Alpha
Ramphoid CuspCite this as:
Weisstein, Eric W. "Ramphoid Cusp." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RamphoidCusp.html