RigelPronunciation: /ˈrʌɪdʒəl, ˈrʌɪg(ə)l/ AstronomyDefinition of Rigel the seventh-brightest star in the sky, and the brightest in the constellation Orion. It is a blue supergiant nearly sixty thousand times as luminous as our sun. Origin:from Arabic rijl 'foot (of Orion)'Rigel in other Oxford dictionaries Definition of Rigel in the US English dictionary
