grapnel /ˈɡɹæpnəl/noun 3verb 1forms 5 noun3 •A device with a multiple hook at one end and attached to a rope, which is thrown or hooked over a firm mooring to secure an object attached to the other end of the rope. •A grappling iron.With anxious grapnels I had sounded my pocket, and only brought up a few pieces of silver ... — 1851 •A small anchor, having more than two flukes, used for anchoring a small vessel. verb1 •To connect (ships) with a grapnel. formsgrapneled · grapnelled · grapneling · grapnelling · grapnels