From A.B to Futtock-shrouds, and Gaff to Yards, you'll find an explanation here. All courtesy of "SHIPPING WONDERS OF THE WORLD" edited by Clarence Winchester circa 1937. Kind regards, your Donkey, always, Jim. P.S. And no sniggering from you young whippersnappers when your eyes alight on words that nowadays have taken on a completely different meaning!
Ah...a Donkey boiler, the auxiliary boiler used when in dock to provide power and steam when the main boilers are shutdown.....Oh to be a Donkeyman