a seaman who works on a merchant vessel.
Origin of merchant seaman
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for merchant seaman
Historical Examples of merchant seaman
The merchant-seaman, like the statesman, had yet many a thing to learn.Sir Walter Raleigh and his Time