Answer: taffrail

AnswerCrossword Clue
TAFFRAILPoop-deck balustrade
TAFFRAILBarrier at a ship's stern.
TAFFRAILNautical bar that could make raft fail badly (8)
taffraila rail around the stern of a ship, also TAFFAREL, TAFFEREL
taffrailthe upper part of the stern of a wooden ship
taffrailrail around the stern of a ship