What does seaman mean?
A seaman is someone who works at sea, most often as a member of a ship's crew. In ordinary English, the word is a formal alternative to sailor and may suggest experience, skill, or a long connection with seafaring. In British maritime usage, however, seaman is also a specific rating within the merchant navy, below able seaman. The term can therefore refer either to a person whose occupation is seafaring or to a defined position in a ship's crew hierarchy. It is commonly paired with words such as merchant, ordinary, and able in traditional nautical expressions. The word is useful because it combines a broad meaning with a specialized technical sense, reflecting both the ordinary language of people who go to sea and the formal terminology of maritime employment.
nounA person who works at sea, especially a sailor in the merchant or merchant marine. In British nautical usage, seaman is also a specific rating below able seaman.
- A person who works at sea, especially a member of a ship's crew.
- In British maritime usage, a specific merchant-marine rating below able seaman.
- In general or historical usage, a person skilled in sailing or engaged in seafaring.
"The experienced seaman checked the ropes before the ship entered the harbor."
"Every seaman on board checked his safety equipment before departure."
"In the old merchant service, an ordinary seaman performed routine duties under the ship's officers."
The standard plural is seamen, formed by changing the vowel sound and adding -en rather than adding -s.
"The seamen spent the afternoon repairing the rigging."
From sea and man, seaman has described seafaring people for more than a thousand years.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does seaman come from?
Seaman is an Old English compound formed from sēa, meaning “sea,” and mann, meaning “man.” The underlying sense, “a man of the sea,” developed into the modern word for a sailor or maritime crew member. The formation reflects the Germanic roots of English and has close parallels in cognates such as Dutch zeeman and German Seemann.
Related word forms
How seaman is actually used
The word is formal and strongly associated with maritime life. In modern general English, sailor is usually more natural, while in British nautical terminology seaman can denote a specific crew rating.
Easily confused with seaman
A sailor is a general term for someone who sails a boat or ship, while a seaman can refer specifically to a person serving in a merchant vessel or to a particular nautical rating.
A mariner is generally an experienced or professional seafarer, whereas seaman can also be used as a formal rating in a maritime crew hierarchy.