1. A sailor; a mariner; a merman.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• samae,
• reamain,
• sermans,
• woaman,
• samon,
• seadon,
• sermen,
• samin,
• seiman,
• sauan,
• seamens,
• seasin,
• verman,
• seazin,
• suasan,
• seamd,
• weman,
• sharman,
• seaosn,
• eamon

• semon,
• seman,
• semien,
• semen,
• seamon,
• seeman,
• shaman,
• saman.

The adjective form of the word "seaman" is "seamanlike".

The plural of the "seaman" can be the "seamen".

The singular of the "seaman" can be the "seaman".