(n.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). planisphere. Retrieved September 22, 2026, from http://smartdefine.org/planisphere/definitions/2046129 |
| Chicago | Webster's. 2011. "planisphere" http://smartdefine.org/planisphere/definitions/2046129 (accessed September 22, 2026). |
| Harvard | Webster's 2011, planisphere, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/planisphere/definitions/2046129>. |
| MLA | Webster's. "planisphere" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/planisphere/definitions/2046129> |