PLANISPHERE
\plˈanɪsfˌi͡ə], \plˈanɪsfˌiə], \p_l_ˈa_n_ɪ_s_f_ˌiə]\
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n. [Latin] The representation of the circles of the sphere upon a plane;—especially, a representation of the celestial sphere upon a plane for showing the position of the heavens, the time of rising and setting of stars, &c., for any given day or hour.