grapevine stopper

grapevine stopper

[′grāp‚vīn ‚stäp·ər]
(naval architecture)
A device that allows temporary grip on a large-diameter cable at high tension; consists of a webbed sleeve that contracts under tension.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.