Noun orion has 2 senses
  1. Orion - (Greek mythology) a giant Boeotian hunter who pursued the Pleiades and was eventually slain by Artemis; was then placed in the sky as a constellation
    --1 is a kind of
    mythical being
  2. Orion, The Hunter - a constellation on the equator east of Taurus; contains Betelgeuse and Rigel
    --2 is a kind of constellation; diffuse nebula, gaseous nebula
    --2 has members: Betelgeuse, Alpha Orionis
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