Cōn'ic or Cōn'ic-al, a.
a. [Gr. κωνικός, Fr. conique, It. conico. See CONE.]
Sense 1. Having the form of, or resembling, a cone; round and decreasing to a point; as, a conic figure; a conical vessel.
Sense 2. Pertaining to a cone; as, conic sections.
Conic section (Geom.), a curve line formed by the intersection of a cone and plane. The conic sections are the parabola, hyperbola, and ellipse.