Meaning of sidereal

si•de•re•al

Pronunciation: (sī-dēr'ē-ul), [key]
— adj. Astron.
  1. determined by or from the stars: sidereal time.
  2. of or pertaining to the stars.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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