Gaff (noun)

1. A metal or wooden hook with a handle, used in fishing and in handling large fish or marine animals.
2. A similar hook used in catching and holding large birds.
3. A long pole with a hook or spear at one end, used in landing and handling fish.
4. A spear used in hunting large fish or marine animals.

Origin:

Middle english: of unknown origin.

Examples:

1. The fisherman used a gaff to land the big fish.
2. He used a gaff to hoist the sailfish onto the boat.
3. The ornithologist used a gaff to catch the bird.
4. The harpooner used a gaff to secure the shark.
5. The fish was caught on a gaff and pulled aboard the boat.