Definitions for: Regulus

[n] a genus of birds of the family Sylviidae including kinglets
[n] the brightest star in Leo

Webster (1913) Definition: Reg"u*lus (-l?s), n.; pl. E. Reguluses (-?z), L.
Reguli (-l?). [L., a petty king, prince, dim. of rex,
regis, a king: cf. F. r['e]gule. See Regal.]
1. A petty king; a ruler of little power or consequence.

2. (Chem. & Metal.) 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.

Note: The name was introduced by the alchemists, and applied
by them in the first instance to antimony. It signifies
little king; and from the facility with which antimony
alloyed with gold, these empirical philosophers had
great hopes that this metal, antimony, would lead them
to the discovery of the philosopher's stone. --Ure.

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

Synonyms: genus Regulus

See Also: bird genus, family Sylviidae, kinglet, Leo, star, Sylviidae

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