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Webster 1913 Edition

Noun.

[Ar.

al-ghūl

destruction, calamity, fr.

ghāla

to take suddenly, destroy.]

(Astron.)

A fixed star, in Medusa’s head, in the constellation Perseus, remarkable for its periodic variation in brightness.

Noun.

A fixed star of the third magnitude, called Medusa's head, in Perseus; Long. 21 degrees 50' 42' of Taurus; Lat 23 degrees 23' 47' North.