(nautical) A seaman who has qualified to be a captain of a merchant ship

plural of master mariner

cane toad

Any venomous box jellyfish.

plural of marine infantry

An engine for marine use, installed in a boat or ship. For small vessels, these are usually adapted automotive engines; for large vessels they are specially built for the purpose.

plural of marine engine

(marine biology) Sinking organic detritus in the ocean.

soap made with coconut oil, formerly used on shipboard because of its solubility in salt water

An alloy of lead, antimony, and mercury, made for sheathing ships.