? Obs. rare1. [? f. busk, var. of bush: cf. BUSH v.1 But possibly, an application of BUSK v.2] intr.

1

1653.  W. Lauson, in Arb., Eng. Garner, I. 194. This fly … among wood or close by a bush, moved in the crust of the water is deadly in an evening…. This is called ‘Busking for Trout.’

2