any of various small American freshwater fishes having glistening scales, especially a minnow.
4.
any of various silvery, marine fishes, as the menhaden or butterfish.
5.
a defect in silk or synthetic filament or fabric, produced either in the process of winding or as a result of shuttle friction and appearing on fabric as a shiny streak.
Origin
1350-1400;1900-05for def 2;Middle English; see shine1, -er1
Examples from the web for shiner
He added a shiner in his left eye to his list of ailments, but it's not serious.
British Dictionary definitions for shiner
shiner
/ˈʃaɪnə/
noun
1.
something that shines, such as a polishing device
2.
any of numerous small North American freshwater cyprinid fishes of the genus Notropis and related genera, such as N. cornutus (common shiner) and Notemigonus crysoleucas (golden shiner)