from The Century Dictionary.
- noun The hook of the drag-chain by which locomotive engines, tenders, and goods-wagons or freight-cars are attached to each other.
Sorry, no etymologies found.
The captain was still explaining to the men just how the drag-hook worked when Elaine came up quietly on the deck.
About a capstan were wound the turns of a long wire rope at the end of which was a three-pronged drag-hook.
They let the drag-hook down over the side and pulled it along slowly on the bottom.
"You don't expect to catch anything with that great drag-hook, do you?"
Old Gold The Cruise of the "Jason" Brig George Manville Fenn 1870