bankside

From bank +‎ side.

bankside (plural banksides)

1. The land by a riverbank.
   • 1997, J. M. Caffrey, Philip R.F. Barrett, Kevin J. Murphy, Philip Max Wade, Management and ecology of freshwater plants:

     The banksides, above normal water level, were dressed with a layer of moss peat and seeded with a mixture of grasses.