STRONGS NT 254: ἅλυσις

ἅλυσις, or as it is commonly written ἅλυσις (see WH's Appendix, p. 144), (εως, ἡ (from the alpha privative and λύω, because a chain is ἄλυτος, i. e., not to be loosed (others from the root val, and allied with εἱλέω, to restrain, ἁλίζω, to collect, crowd; Curtius, § 660; Vanicek, p. 898)), a chain, bond, by which the body, or any part of it (the hands, feet), is bound: Mark 5:3; Acts 21:33; Acts 28:20; Revelation 20:1; ἐν ἁλύσει in chains, a prisoner, Ephesians 6:20; οὐκ ἐπαισχυνθῇ τήν ἁλύσειν μου he was not ashamed of my bonds, i. e., did not desert me because I was a prisoner, 2 Timothy 1:16. specifically used of a manacle or handcuff, the chain by which the hands are bound together (yet cf. Meyer on Mark as below; per contra especially Lightfoot on Philippians, p. 8): Mark 5:4; (Luke 8:29); Acts 12:6f (From Herodotus down.)