second mate: meaning, definition, pronunciation and examples
C2Technical / Nautical
Quick answer
What does “second mate” mean?
A licensed officer on a merchant ship, ranking below the chief mate and above the third mate, responsible for navigation, cargo operations, and safety equipment.
Audio
Pronunciation
Definition
Meaning and Definition
A licensed officer on a merchant ship, ranking below the chief mate and above the third mate, responsible for navigation, cargo operations, and safety equipment.
In maritime hierarchy, the officer who typically stands the 12-4 watch and is in charge of maintaining navigational charts and publications. The role can also imply a position of delegated authority in a structured command system.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or rank. The term is standard in international maritime law and conventions. Spelling of related terms may differ (e.g., 'licenced' vs. 'licensed').
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency and specialized in both regions, used exclusively within maritime contexts.
Grammar
How to Use “second mate” in a Sentence
The second mate [verb: plots, calculates, supervises] + [object: the course, the cargo, the lifeboats].[Subject: The captain] appointed [object: him] + [complement: as second mate].Vocabulary
Collocations
Usage
Meaning in Context
Business
Used in shipping company HR, crewing, and payroll contexts.
Academic
Found in maritime studies, nautical archaeology, and historical texts on shipping.
Everyday
Virtually never used in everyday conversation outside of individuals connected to the maritime industry.
Technical
Core term in maritime law, ship operations, safety manuals (ISM Code, STCW), and crew manifests.
Watch out
Common Mistakes When Using “second mate”
- Using 'second mate' to mean 'second friend' or 'best man' at a wedding (which is 'best man' or 'groomsman').
- Capitalising it incorrectly when not part of a title (e.g., 'Second Mate Smith' is correct, but 'the Second Mate' usually isn't).
FAQ
Frequently Asked Questions
No. The second-in-command is the Chief Mate (or First Mate). The Second Mate is the third-ranking deck officer, after the Captain and Chief Mate.
Traditionally, the second mate stands the 12:00-16:00 watch (noon-4pm and midnight-4am).
Yes. The rank is gender-neutral. The correct term is 'second mate', not 'second matron' or any other gendered term.
A candidate must hold a valid Second Mate's Certificate of Competency, issued by a maritime administration after passing written and oral exams, and completing required sea time.
A licensed officer on a merchant ship, ranking below the chief mate and above the third mate, responsible for navigation, cargo operations, and safety equipment.
Second mate is usually technical / nautical in register.
Second mate: in British English it is pronounced /ˌsek.ənd ˈmeɪt/, and in American English it is pronounced /ˌsek.ənd ˈmeɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'mate' as a nautical friend/colleague. The 'second' mate is the SECOND in the line of 'mates' (after the chief/first mate).
Conceptual Metaphor
HIERARCHY IS A LADDER (the second rung on the officer's ladder).
Practice
Quiz
What is the primary responsibility of a second mate?