Planisphere

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Planisphere \Plan"i*sphere\, n. [Plani- + sphere: cf. F.
     planisph[`e]re. See {Plain}, and {Sphere}.]
     The representation of the circles of the sphere upon a plane;
     especially, a representation of the celestial sphere upon a
     plane with adjustable circles, or other appendages, for
     showing the position of the heavens, the time of rising and


     setting of stars, etc., for any given date or hour.
     [1913 Webster]