(anatomy) Any of the small cone-shaped structures in the retina.
(category theory) 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.)
(geometry) A solid of revolution formed by rotating a triangle around one of its altitudes.
(geometry) A surface of revolution formed by rotating a segment of a line around another line that intersects the first line.
(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) The bowl piece on a bong.
(slang) The process of smoking cannabis in a bong.
(topology) 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.
A cone-shaped flower head of various plants, such as banksias and proteas.
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.
A shell of the genus Conus, having a conical form.
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.
An ice cream cone.
Anything shaped like a cone.
The fruit of a conifer.
verb
(frequently followed by "off") To segregate or delineate an area using traffic cones.
(intransitive) To form a cone shape.
(transitive) To fashion into the shape of a cone.
econ
econ
adj
Abbreviation of economic.
noun
Abbreviation of economics.
Abbreviation of economy.
once
once
adv
(chiefly obsolete) At any time; ever.
(frequency) One and only one time.
(mathematics) Multiplied by one: indicating that a number is multiplied by one.
(obsolete) One day, someday.
(temporal location) Formerly; during some period in the past.
If the facts once became known, we'd be in trouble.