Betelgeuse

a first-magnitude red supergiant in the constellation Orion.
Historical Examples

First on the Moon Jeff Sutton
Tony and the Beetles Philip K. Dick
The Letters of Ambrose Bierce Ambrose Bierce
The Burglars’ Club Henry A. Hering
The Prairie Child Arthur Stringer
Astronomical Curiosities J. Ellard Gore
Tutors’ Lane Wilmarth Lewis
Once a Greech Evelyn E. Smith
Astronomical Curiosities J. Ellard Gore
Earth and Sky Every Child Should Know Julia Ellen Rogers

noun
a very remote luminous red supergiant, Alpha Orionis: the second brightest star in the constellation Orion. It is a variable star
Betelgeuse
(bēt’l-jz’)
A red supergiant star in the constellation Orion. It is a variable star with a brightest apparent magnitude of 0.5. Scientific name: Alpha Orionis. See Note at Rigel.

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