[ey-ker-nahr] 
| a star of the first magnitude in the constellation Eridanus. |
| A·cher·nar (ā'kər-när') n. A star in the constellation Eridanus that is one of the brightest stars in the sky and is 114 light-years from Earth. [From Arabic 'aḫīr an-nahr, the end of the river (referring to the star's position in the constellation Eridanus) : 'aḫīr, last, end; see  ḫr in Semitic roots + al-, the + nahr, river; see nhr in Semitic roots.] |