Source : Webster's Revised Unabridged Dictionary (1913)

Algol \Al"gol\, n. [Ar. al-gh[=u]l destruction, calamity, fr.
   gh[=a]la to take suddenly, destroy.] (Astron.)
   A fixed star, in Medusa's head, in the constellation Perseus,
   remarkable for its periodic variation in brightness.

Source : WordNet®

Algol
     n 1: second brightest star in Perseus; first known eclipsing
          binary
     2: ALGOrithmic Language; a programming language used to express
        computer programs as algorithms

Source : Free On-Line Dictionary of Computing

ALGOL
     
        {ALGOL 60}