Shiner/ˈʃaɪnər/ Definition 1 of 3Pro Tip 1/2Fish Type Refers to specific freshwater fishes favored by anglers. The kids were excited about using shiners for bait. Pro Tip 2/2Not Always Fish Without context, 'shiner' might be confused with its other meanings. When I said I got a shiner, they thought I meant a fish!