Sidereal
From BiblePortal Wikipedia
Sidereal [1]
(1):
(a.) Measuring by the apparent motion of the stars; designated, marked out, or accompanied, by a return to the same position in respect to the stars; as, the sidereal revolution of a planet; a sidereal day.
(2):
(a.) Relating to the stars; starry; astral; as, sidereal astronomy.
