Restrained by shackles, chained.

simple past tense and past participle of shackle

plural of shackle

Third-person singular simple present indicative form of shackle

(usually in the plural) A restraint fit over a human or animal appendage, such as a wrist, ankle or finger; normally used in pairs joined by a chain.

(transitive) To restrain using shackles; to place in shackles. / (transitive, by extension) To render immobile or incapable; to inhibit the progress or abilities of.

(dialectal) To shake, rattle.

present participle of shackle

a shackle shaped so that the opening is smaller than the circumference of the loop.

(anatomy) A joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.