- grapnel, grapple, grappler, grappling hook, grappling iron - a tool consisting of several hooks for grasping and holding; often thrown with a rope
--1 is a kind of tool
--1 has parts: hook, claw
--1 has particulars: crampon, crampoon - grapnel, grapnel anchor - a light anchor for small boats
--2 is a kind of anchor, ground tackle