Definition of right sphere
1 : a sphere so placed that a meridian is parallel to the horizon or plane or projection
2 : the celestial sphere as seen from all stations on the equator where all bodies rise and set at right angles to the horizon
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up right sphere? Please tell us where you read or heard it (including the quote, if possible).