regulus

Noun
  1. The brightest star in Leo (synset 109429822)
    is an instance of: star - (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
    belongs to: leo - a zodiacal constellation in northern hemisphere between Cancer and Virgo
  2. A genus of birds of the family Sylviidae including kinglets (synset 101566220)
    is a type of: bird genus - a genus of birds
    member holonym: kinglet - small birds resembling warblers but having some of the habits of titmice
    belongs to: family sylviidae, sylviidae - in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers; American kinglets and gnatcatchers
    same as: genus regulus

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