(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 21, 2026, from http://smartdefine.org/planisphere/definitions/2046129 |
| Chicago | Webster's. 2011. "planisphere" http://smartdefine.org/planisphere/definitions/2046129 (accessed September 21, 2026). |
| Harvard | Webster's 2011, planisphere, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/planisphere/definitions/2046129>. |
| MLA | Webster's. "planisphere" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/planisphere/definitions/2046129> |