- a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex.
- a plane surface resembling the cross section of a solid cone.
- the more or less conical multiple fruit of the pine, fir, etc., consisting of overlapping or valvate scales bearing naked ovules or seeds; a strobile.
- a similar fruit, as in cycads or club mosses.
verb (used with object), coned, con·ing.
Origin of cone
Examples from the Web for coning
Upon this framework, the prominence of his family, she built up during the coning week a new structure of hope.A Modern Chronicle, Complete|Winston Churchill
But you can't start this morning, because you're coning with Jill and me to choose the rug.Berry And Co.|Dornford Yates
He lay a long time tossing, and proing and coning, without being able to arrive at any satisfactory solution of the matter.Mr. Sponge's Sporting Tour|R. S. Surtees
"I saw Mr. Munt coning up from the boat," she said in answer to Mavering's demand for some sort of astonishment from her.April Hopes|William Dean Howells
British Dictionary definitions for coning
- a geometric solid consisting of a plane base bounded by a closed curve, often a circle or an ellipse, every point of which is joined to a fixed point, the vertex, lying outside the plane of the base. A right circular cone has a vertex perpendicularly above or below the centre of a circular base. Volume of a cone: 1/3 π r ² h, where r is the radius of the base and h is the height of the cone
- a geometric surface formed by a line rotating about the vertex and connecting the peripheries of two closed plane bases, usually circular or elliptical, above and below the vertexSee also conic section
- the reproductive body of conifers and related plants, made up of overlapping scales, esp the mature female cone, whose scales each bear a seed
- a similar structure in horsetails, club mosses, etcTechnical name: strobilus
Word Origin for cone
Word Origin and History for coning
1560s, from Middle French cone (16c.) or directly from Latin conus "a cone, peak of a helmet," from Greek konos "cone, spinning top, pine cone," perhaps from PIE root *ko- "to sharpen" (cf. Sanskrit sanah "whetstone," Latin catus "sharp," Old English han "stone").