Definition of Capricornus in US English:

Capricornus

proper noun

Astronomy
  • 1A constellation (the Goat), said to represent a goat with a fish's tail. It has few bright stars.

    Compare with Capricorn
    1. 1.1as genitive Capricorni /ˌkapriˈkôrnē/ Used with preceding letter or numeral to designate a star in the constellation Capricornus.
      ‘the star 41 Capricorni’

Origin

Latin (see Capricorn).

Pronunciation

Capricornus

/ˌkaprəˈkôrnəs/