Definition of lune in US English:



  • 1A crescent-shaped figure formed on a sphere or plane by two arcs intersecting at two points.

    • ‘Hippocrates was able to find the areas of lunes, certain crescent-shaped figures, using his theorem that the ratio of the areas of two circles is the same as the ratio of the squares of their radii.’
    • ‘In case the reader is wondering what Aristotle refers to with his phrase ‘quadrature by means of segments' then it is almost certain that he means the method of lunes of Hippocrates.’
    • ‘The squaring of the circle by means of lunes is not eristic, but the quadrature of Bryson is eristic.’
    • ‘He squared certain lunes, and also the sum of a lune and a circle.’
    • ‘To illustrate with one example, the work of Hippocrates on the quadrature of lunes is only known to us through Eudemus's History of Geometry.’
    • ‘In particular Simplicius quotes the writing on Eudemus on Antiphon's attempts to square the circle and also the attempts of Hippocrates when he squared certain lunes.’
    1. 1.1 A filled pasta case made from a circle of pasta dough folded over.
      • ‘Lisa had the pumpkin lune complete with grated cookie.’
      • ‘I made Lauren get the pumpkin lune because you have to have the pumpkin lune when you go there.’
      • ‘But that trademark finesse is never far away in the form of goat cheese tortelloni with dried orange and fennel pollen, or pumpkin lune with butter and sage.’


Early 18th century: from French, from Latin luna ‘moon’.