boat hook

a hook mounted at the end of a pole, used to pull or push boats toward or away from a landing, to pick up a mooring, etc.

Origin of boat hook

First recorded in 1605–15

From officer and seamen alike a laugh went up at this request, but the life buoys were caught with a boathook and drawn aboard.

Dave Darrin's Second Year at Annapolis |H. Irving Hancock
“Be ready with that boathook,” shouted the second lieutenant.

The Black Bar |George Manville Fenn
He fumbled for a long time with the rope that tied her, and pushed off at last with the boathook.

The House by the River |A. P. Herbert
How I rushed to the rescue and with nothing but the boathook encountered and slaughtered him.

The Lady of Lynn |Walter Besant

Now, as the crew resumed their places, and tried to keep the oars and boathook alongside the keel, he turned to the lieutenant.

The Black Bar |George Manville Fenn

boathook

/ (ˈbəʊtˌhʊk) /

a pole with a hook at one end, used aboard a vessel for fending off other vessels or obstacles or for catching a line or mooring buoy