Didonia

English Etymology In allusion to the classical story of Queen Dido, who was granted the land she could encompass with a piece of bull hide. Noun en geometry The curve which on a given surface and with a given perimeter contains the greatest area. en 1867 Peter Guthrie Tait An Elementary Treatise on Quaternions And hence, by Meusnier's theorem, the difference of the squares of the curvatures of curve and surface is constant; the curvature of the surface meaning here the reciprocal of the radius of the sphere which osculates in the reduction of the element of the Didonia. en Curves en eponyms