Definition of Scorpius in US English:

Scorpius

proper noun

Astronomy
  • 1A large constellation (the Scorpion). It contains the red giant Antares.

    1. 1.1as genitive Scorpii /ˈskôrpēˌī, -ˌē/ Used with preceding letter or numeral to designate a star in the constellation Scorpius.
      ‘the star Theta Scorpii’

Origin

Latin.

Pronunciation

Scorpius

/ˈskôrpēəs/