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A section or part of a cylinder, cone, or other solid of revolution, cut off by a plane oblique to the base; -- so called from its resemblance to the hoof of a horse.

That can be seen; visible. [R.] Visual angle. (Opt.) See under Angle. -- Visual cone (Persp.), a cone whose vertex is at the point of sight, or the eye. -- Visual plane, any plane passing through the point of sight. -- Visual point, the point at which the visual rays unite; the position of the eye. -- Visual purple…

, a mass ejected from a volcano, often of molten lava having a rounded form. -- Volcanic cone, a hill, conical in form, built up of cinders, tufa, or lava, during volcanic eruptions. -- Volcanic foci, the subterranean centers of volcanic action; the points beneath volcanoes where the causes producing volcanic phenome…

A cone of paper which is placed in a vessel of lard or other fat, and used as a taper. [Prov. Eng.]

white crystalline substance. It was formerly used as a remedy for diarrhoea. Called also conessine, and neriine.

ccata) of Europe, allied to the pines, but having a peculiar berrylike fruit instead of a cone. It frequently grows in British churchyards.