algol

Founding-era definition · Webster's 1828 American Dictionary

AL'GOL, 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.

Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI