regulus

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noun reg·u·lus \ˈre-gyə-ləs\

Definition of regulus

  1. 1 capitalized :  a first-magnitude star in the constellation Leo

  2. 2 [Medieval Latin, metallic antimony, from Latin] :  the more or less impure mass of metal formed beneath the slag in smelting and reducing ores

Origin and Etymology of regulus

New Latin, from Latin, petty king, from reg-, rex king — more at royal


First Known Use: 1559


Regulus

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biographical name Reg·u·lus \ˈre-gyə-ləs\

Definition of Regulus

  1. Marcus Atilius died circa 250 b.c. Roman general


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