- A mariner or sailor.水手或海员
- Abbr. SMN缩写 SMN
- A noncommissioned rank in the U.S. Navy or Coast Guard that is above seaman apprentice and below petty officer.海岸警卫队队员：在美国海军或沿海警卫队中未授军官衔的队员，高于三等兵但低于海军军士
- One who holds the rank of seaman, seaman apprentice, or seaman recruit.水兵：有水兵、三等兵、水兵新兵等军衔的人