cable stopper

cable stopper

[′kā·bəl ‚stäp·ər]
(naval architecture)
A device, such as a short chain fastened to a pad on the deck and attached to the anchor chain, to take the strain off the anchor windlass when a ship is at anchor.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.