boat hook

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A pole with a metal point and hook at one end used especially to maneuver logs, rafts, and boats.

from The Century Dictionary.

• noun A brass or iron hook and spike fixed to a staff or pole, used for pulling or pushing a boat. Also called gaff-setter, setting-pole, pole-hook, and hitcher.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun pole-handled hook used to pull or push boats