conic

Conic -al: cylindrical, with a flat base, tapering to a point.

The mountain is remarkable for the perfection of its conic form.

They might be a treatise on conic sections, or a Latin Grammar, and again they might be a Book.

Abdomen lengthened, conic; the tip pointed, and not bearded.

Fruit medium, roundish, inclined to conic, sometimes obscurely ribbed.

The Confederacy has flanked the Conic Section, and is trying to escape.

Apollonius, Conic Sections of, Hypatia's commentary on, 168.

The conic sections which I described on that blackboard, the learned hieroglyphics!

Every polar-triangle has one and only one vertex within the conic.

If every diameter is perpendicular to its conjugate the conic is a circle.