Iron Mooring Bollard With Yellow Rope On A Pier In Svolvaer, Norway, Europe. Stock Photo

A bollard is a sturdy, short, vertical post. The term originally referred to a post on a ship or quay used principally for mooring boats. It is a metal or concrete post for tying ropes, consisting of a plate on which are fixed one or two short and thick cylinders having at the upper end a mushroom-shaped protrusion that does not allow the loop (gauge) of rope to come out. The bollard is mounted on ship decks, on berths, jetties, wharves