Definition of Betelgeuse in English:

Betelgeuse

(also Betelgeux)

proper noun

Astronomy
  • The tenth-brightest star in the sky, in the constellation Orion. It is a red supergiant, and variations in its brightness are associated with pulsations in its outer envelope.

Origin

French, alteration of Arabic yad al-jauzā ‘hand of the giant’ (the giant being Orion).

Pronunciation

Betelgeuse

/ˈbiːt(ə)lˌdʒəːz/