Eridanus

[ ih-rid-n-uhs ]

noun

, Astronomy.

, genitive E·rid·a·ni [ih-, rid, -n-ahy].

1. the River, a large southern constellation between Cetus and Orion, containing the bright star Achernar.

Eridanus

/ ɛˈrɪdənəs /

noun

1. a long twisting constellation in the S hemisphere extending from Orion to Hydrus and containing the first magnitude star Achernar

Word History and Origins

Origin of Eridanus¹

from Greek Eridanos river in Italy (sometimes identified with the Po) into which, according to legend, Phaëthon fell