sidereal
adjective
1. of or relating to the stars or constellations
- sidereal bodies
- the sidereal system
2. (of divisions of time) determined by daily motion of the stars
- sidereal time
1. of or relating to the stars or constellations
- sidereal bodies
- the sidereal system
2. (of divisions of time) determined by daily motion of the stars
- sidereal time