• Webster's Revised Unabridged Dictionary
    • n Wringbolt (Shipbuilding) A bolt used by shipwrights, to bend and secure the planks against the timbers till they are fastened by bolts, spikes, or treenails; -- not to be confounded with ringbolt.
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Century Dictionary and Cyclopedia
    • n wringbolt In wood ship-building, a large ring-bolt or eye-bolt used in conjunction with a wring-staff to force the outside planking into position in building a vessel. Also called wrain-bolt.
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