wringbolt

Century Dictionary and Cyclopedia

1. n. 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.

GNU Webster's 1913

1. n. (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.