Third-person singular simple present indicative form of shackle

(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.

(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.

(obsolete) A sort of shackle.

(UK, US, colloquial, dated) Shaky, rickety, ramshackle. / (dialectal) Loose-jointed, shambling.

plural of shacklock

plural of shacko

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

plural of shackle joint