, in Geometry, is a part cut off a cylinder, cone, &c, by a plane passing obliquely through the base, and part of the curve surface; so called from its resemblance to the (ungula) hoof of a horse &c. For the contents &c of such Ungulas, see my Mensuration, pa. 218—246, 2d edition.
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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.
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