Emily Dickinson Lexicon

AS-TRE'A, n. [Gr. αστηρ, a star.]

1. The goddess of justice. A name sometimes given to the sign Virgo. The poets feign that justice quitted heaven, in the golden age, to reside on earth; but becoming weary with the iniquities of men, she returned to heaven, and commenced a constellation of stars. – Encyc.
2. A species of coral.