1) Ellipses and parabolas 2) Ellipses, parabolas, etc 3) Parabolas, ellipses, etc 
• (n.) Conic sections. • (n.) That branch of geometry which treats of the cone and the curves which arise from its sections.
(from the article `Euclid`) ...that the work contained propositions belonging to the modern theory of transversals and to projective geometry. Like the fate of earlier ...(from the article `analytic geometry`) ...of Perga ( 262–190 ), known by his contemporaries as the `Great Geometer,` foreshadowed the development of analytic geometry by more than 1,800 ... mathematician, known by his contemporaries as `the Great Geometer,` whose treatise Conics is one of the greatest scientifi...
Con'ics noun 1. That branch of geometry which treats of the cone and the curves which arise from its sections. 2. Conic sections. 
the branch of geometry that deals with conic sections.