A pole on a ship is an important part of the rigging and can refer to three different components. The MAST is a tall vertical pole that supports the sails and is the highest point on the ship. The SPAR is a long pole used to support the sails and is usually located horizontally. The SPRIT is a short pole that extends from the bow of the ship and is used to support the jib sail. All three poles are essential for the sailing of a ship.