A person who works as a sailor, especially one below the rank of officer, on a ship. The seaman spent months at sea before returning home to his family.
A member of the crew of a ship, particularly one who is skilled in navigation and handling of the ship. The experienced seaman was responsible for steering the vessel through the storm.
A naval rank, typically the lowest enlisted rank in a navy, responsible for basic duties on a ship. After completing his training, he was promoted to the rank of seaman.