∙ A surface of revolution formed by rotating a segment of a line around another line that intersects the first line. geometry
∙ A solid of revolution formed by rotating a triangle around one of its altitudes. geometry
∙ A space formed by taking the direct product of a given space with a closed interval and identifying all of one end to a point. topology
∙ Anything shaped like a cone.
∙ The fruit of a conifer.
∙ An ice cream cone.
∙ A traffic cone
∙ A unit of volume, applied solely to marijuana and only while it is in a smokable state; roughly 1.5 cubic centimetres, depending on use.
∙ Any of the small cone-shaped structures in the retina.
∙ The bowl piece on a bong. slang
∙ The process of smoking cannabis in a bong. slang
∙ A cone-shaped cannabis joint. slang
∙ A passenger on a cruise ship (so-called by employees after traffic cones, from the need to navigate around them) slang
∙ An object V together with an arrow going from V to each object of a diagram such that for any arrow A in the diagram, the pair of arrows from V which subtend A also commute with it. (Then V can be said to be the cone’s vertex and the diagram which the cone subtends can be said to be its base.) category theory
∙ A shell of the genus Conus, having a conical form.
∙ A set of formal languages with certain desirable closure properties, in particular those of the regular languages, the context-free languages and the recursively enumerable languages.
Verb
∙ To fashion into the shape of a cone. pottery
∙ To segregate or delineate an area using traffic cones frequently followed by "off"
Watch example usage of "cone"
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