Definition of Canopus in US English:

Canopus

proper noun

Astronomy
  • The second brightest star in the sky, and the brightest in the constellation Carina. It is a supergiant, visible only to observers in the southern hemisphere and the southern part of the northern hemisphere.

Origin

Latin, from Greek Kanōpus, the name of the pilot of the fleet of King Menelaus in the Trojan War.

Pronunciation

Canopus

/kəˈnōpəs/