Pronunciation: (as'trul), [key]
1. pertaining to or proceeding from the stars; stellar; star-shaped.
2. Biol.pertaining to, consisting of, or resembling an aster; having a discoid, radiate flower head.
3. Theosophy.noting a supersensible substance pervading all space and forming the substance of a second body (astral body) belonging to each individual. It accompanies the individual through life, is able to leave the human body at will, and survives the individual after death.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.