Seaman/ˈsiːmən/ Definition 1 of 3Pro Tip 1/3Occupational Term Used for individuals with specific duties aboard ships, not passengers. Every seaman has his own set of tasks on a vessel. Pro Tip 2/3Not Always Naval 'Seaman' applies to commercial and fishing industry workers, not just navy. He worked as a seaman on a cargo ship. Pro Tip 3/3Gender Neutral While historically male, 'seaman' can refer to any gender in modern contexts. The young woman was a skilled seaman aboard the ocean liner.