plural of shackle joint

(nautical) A large bolt driven through the forecastle deck, with a triangular shackle in the head to receive the heel of the old-fashioned fish davit.

plural of harp shackle

A shackle shaped like an H, or two Us joined together to give a waisted appearance, instead of the more usual single U shackle, or D-shackle.

plural of H-shackle

plural of span shackle

plural of D-shackle

Synonym of D-ring

A bolt having a shackle on the end. / (heraldry) A bearing representing a fetlock for hobbling a horse.

plural of shackle bolt