Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A bright double star in the constellation Leo, approximately 78 light years from Earth.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • proper noun A taxonomic genus within the family Regulidae — the goldcrests and kinglets.
  • proper noun astronomy A star in the constellation Leo; alpha (α) Leonis.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin rēgulus, diminutive of rēx, rēg-, king; see regulus.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin regulus ("kinglet, petty king")

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin regulus ("petty king").

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