Definition of Eri in English:

Eri

noun

Astronomy
  • The constellation Eridanus. Chiefly as postpositive, designating a star of this constellation.

Origin

1920s; earliest use found in Transactions of the International Astronomical Union. Shortened from Eridanus, Eridani, originally as a graphic abbreviation.

Pronunciation

Eri

/ˈɛri/