bobfly

plural bobflies

1. fishingThe fly fixed at the end of the leader.

   a fish came in on the bobfly

   1904, Stephen Lucius Gwynn, Fishing holidays

   2 more examples

   This fly is always best as the bobfly on the cast.

   1866, Sir Randal Howland Roberts, The river's side: or, The trout and grayling, and how to take them, page 74

   He watched the upper fold of the curved line rolling itself out almost parallel to the lower, and the flies finally alighting upon the surface of the water one after the other in beautiful sequence from the bobfly to the tail.

   1908, The Badminton magazine of sports & pastimes: Volume 26