master mariner


Definition of master mariner

1 : a captain of a merchant ship
2 : an experienced and skilled seaman certified to be competent to command a merchant ship

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for master mariner

Middle English maister mariner, from maister master + mariner, marinere mariner

Keep scrolling for more

Learn More About master mariner

Dictionary Entries Near master mariner

master map

master mariner

master mason

See More Nearby Entries 

Statistics for master mariner

Cite this Entry

“Master mariner.” Dictionary, Merriam-Webster, Accessed 24 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!