Bible Dictionaries
Regulus

Webster's Dictionary

(1):

(n.) The button, globule, or mass of metal, in a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores.

(2):

(n.) A petty king; a ruler of little power or consequence.

(3):

(n.) A star of the first magnitude in the constellation Leo; - called also the Lion's Heart.

Bibliography Information
Webster, Noah. Entry for 'Regulus'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​r/regulus.html. 1828.