1A long straggling southern constellation (the River), said to represent the river into which Phaethon fell when struck by Zeus' thunderbolt.

1. 1.1as genitive Eridani /əˈridnˌē, -ˌī/ Used with preceding letter or numeral to designate a star in the constellation Eridanus.
   与其前面的字母或数字连用以示属该星座的恒星
   the star Phi Eridani

   波江座φ星。