Part of speech: Noun
a petty officer on a merchant ship who controls the work of other seamen
Categories: Mariner, Seaman, Tar, Jack-tar, Jack, Old salt, Seafarer, Gob, Sea dog
The word "boatswain" comes from Old Norse sveinn. It started in Old English bātsweġen. Then it appeared in Middle English botswain.
boat – A related word in the same word family.
swain – A related word in the same word family.
A word passing through this many languages survived because it named something universally important.