bobfloat
/ˈbɑbˌfloʊt/
noun
- A small buoyant object attached to a fishing line that floats on the water and indicates when a fish bites.
- She tied a new bobfloat to her line before casting into the lake.
- The bright red bobfloat made it easy to see from the dock.
- He watched the bobfloat dip below the surface and knew he had a bite.