grapnel


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Related to grapnel: grapnel anchor

grapnel

1. 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
2. a light anchor for small boats
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

grapnel

[′grap·nəl]
(design engineering)
An implement with claws used to recover a lost core, drill fittings, and junk from a borehole or for other grappling operations. Also known as grapple.
(naval architecture)
An anchor with four or five hooks used for dragging the bottom or for anchorage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
But I love a number of books that are large and never go anywhere, say, "The Ultimate Visual Dictionary," in which you can see the difference between a grapnel and a plow anchor.
On our yacht Josepheline, a 38-foot Lightwave catamaran, we carried a 22 kilograms Manson Plough, a 10 kilogram CQR[R], a small Danforth[R] and a grapnel. We have replaced the Plough with a 16kg Excel and intend replacing the CQR[R] with a 13 kilogram Excel.
Because the traps set at 50 m were difficult to retrieve with a grapnel from the hard bottom or were all lost within one month after deployment (on soft bottom), an additional 30 octopus traps were deployed at the shallower depth on soft and hard bottom on 18 May, 2000 and were monitored weekly for 14 weeks.
Pitkanen (2001 : 57) derives the name Norike [na:rike] from the Finnish words naara 'grapnel; drag net', and joki.
Smooth concrete offered no purchase to the claws of the grapnel.''
Our soldiers committed to the MOUT fight will be aided by the launched grapnel hook and midsized riot control disperser--already in service as earlier SEP successes--and by the infantryman's wall breaching kit, an FY 03 new-start program.
This was done so that equal lengths of cable would hang from either side of an 800-pound grapnel lowered from the ship to snag and retrieve the cable--just the way you would pick up and balance a strand of spaghetti on a fork tine.
Tanner was primarily responsible for selecting and installing--and in some cases personally designing--the trawl nets, rake and grapnel dredges, tangles, surface nets, and other collecting devices, as well as the ship's thermometers, salinometers, and sounding equipment (Fig.
To wit: flatfish with magnets attached to denote mines in coastal waters, frozen clouds fitted with anti-aircraft guns, and anti-aircraft guns equipped to fire grapnel hooks to claw aircraft out of the sky.
Proceeding upriver with "a sharp grapnel and cutter," Tomb led a crew of a dozen Brazilians to find an open passage.
At the minimum, take the following safety supplies: Spare prop, nut, thrust washer, cotter pin and prop wrench; water and food for an additional two days beyond what you'll use on the trip; VHF radio, flares, flashlight, EPIRB, sound-making device, signal mirror and up-to-date emergency kit; extra bug spray and rain gear; cooking pan and either a portable stove or something to make a fire as a backup to eat fish and/or keep warm; spare grapnel anchor and 100 feet of line.