third mate

American  

noun

1. the officer of a merchant vessel next in command beneath the second mate.

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Example Sentences

Capt. Darrin Muenzberg and his third mate launched an investigation.

From Los Angeles Times

Parra, 23, a junior who wants to be a third mate on a research ship, continues to process the trauma.

From Los Angeles Times

Coast Guard licenses for positions such as third mate on the bridge of a ship and third assistant engineer in the engine room.

From Los Angeles Times

Cadet Sophie Scopazzi, 25, who wants to be a third mate on a deep-sea ship, pressed the school to eliminate gender-based policies regarding hair length, earring-wear and nail polish.

From Los Angeles Times

The ship’s pilot - licensed by Maryland and an expert in local conditions in the area - remained on the bridge along with the third mate, typically the most junior officer aboard, and a cadet still in training.

From Washington Times