noun ·same·as gaffle, 1.
2. gaff ·noun the spar upon which the upper edge of a fore-and-aft sail is extended.
3. gaff ·noun a barbed spear or a hook with a handle, used by fishermen in securing heavy fish.
4. gaff ·vt to strike with a gaff or barbed spear; to secure by means of a gaff; as, to gaff a salmon.