/shuy"neuhr/ , n.
1. a person or thing that shines.
2. Slang. See black eye (def. 1).
3. any of various small American freshwater fishes having glistening scales, esp. 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.
[ 1350-1400; 1900-05 for def. 2; ME; see SHINE 1 , -ER 1 ]