- a device consisting essentially of one or more hooks or clamps, for grasping or holding something; grapple; grappling iron.
- a small anchor with three or more flukes, used for grappling or dragging or for anchoring a small boat, as a skiff.
1373, Anglo-Fr. dim. of O.Fr. grapil "hook," from grape "hook" (see grape).
"Further along the University wall there was a faint clink as a grapnel caught the spikes that lined its top."
- Terry Pratchett, Sourcery