Dictionary
Words, grammatical forms and meanings linked to the ontology.
Alpha Orionis en · PROPN
Meanings
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Synonym of Betelgeuse.
Thus, to take an example, a concert in Boston can be copresent with a soccer match in Sydney, but not with a soccer match on, say, Alpha Orionis: the present as it is defined relative to the soccer match extends some ninety light minutes into space, and so includes Sydney, but not Alpha Orionis, which is several hundred light years away.
2007, Yuval Dolev, Time and Realism: Metaphysical and Antimetaphysical Perspectives, MIT Press, →ISBN, page 198:
Synonyms
Betelgeuse