Source : Webster's Revised Unabridged Dictionary (1913)

Astral \As"tral\, a. [L. astralis, fr. astrum star, Gr. ?: cf.
   F. astral. See {Star}.]
   Pertaining to, coming from, or resembling, the stars; starry;
   starlike.

         Shines only with an astral luster.       --I. Taylor.

         Some astral forms I must invoke by prayer. --Dryden.

   {Astral lamp}, an Argand lamp so constructed that no shadow
      is cast upon the table by the flattened ring-shaped
      reservoir in which the oil is contained.

   {Astral spirits}, spirits formerly supposed to live in the
      heavenly bodies or the a["e]rial regions, and represented
      in the Middle Ages as fallen angels, spirits of the dead,
      or spirits originating in fire.