the officer of a merchant vessel next in command beneath the second mate.
Righto, It’s British Slang, Mate!In the interest of improving diplomatic relations, and avoiding awkward moments, we've put together a list of some slang terms from the United Kingdom. A quick warning: there will some strong language and adult content ahead.
Also called third officer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019