അർത്ഥം : Of or relating to the stars or constellations.
							ഉദാഹരണം : 
							Sidereal bodies.
							The sidereal system.
							
അർത്ഥം : (of divisions of time) determined by daily motion of the stars.
							ഉദാഹരണം : 
							Sidereal time.
							
(of divisions of time) legally recognized in ordinary affairs of life.
The civil calendar.