Related Clues:

• Water barrier
• Waiting area for the Robert E. Lee
• Bank
• Flood embankment
• Flood insurance?
• Place for a finger?
• 'Drove my Chevy to the ___...' (1972 lyric)
• Engineers' work
• Sandbag stack, maybe
• High ground in Dutch lowlands
• Retainer
• A bank may have one
• It may get high marks
• Embankment
• River embankment