1. [n]  purchasing back something previously sold
2. [n]  (Christianity) the act of delivering from sin or saving from evil
3. [n]  repayment of the principal amount of a debt or security at or before maturity (as when a corporation repurchases its own stock)

Redemption
The epic conclusion of The Dhamon Saga, which began with Downfall and Betrayal, Dhamon Grimwulf and his companions continue their battle against the dragon overlords of the Fifth Age and the minions of evil that not only shadow their motley group but also threaten to engulf all of Krynn. 50,000 first printing.

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the purchase back of something that had been lost, by the payment of a ransom. The Greek word so rendered is _apolutrosis_, a word occurring nine times in Scripture, and always with the idea of a ransom or price paid, i.e., redemption by a lutron (see Matt. 20:28; Mark 10:45). There are instances in the LXX. Version of the Old Testament of the use of _lutron_ in man's relation to man (Lev. 19:20; 25:51; Ex. 21:30; Num. 35:31, 32; Isa. 45:13; Prov. 6:35), and in the same sense of man's relation to God (Num. 3:49; 18:15).

There are many passages in the New Testament which represent Christ's sufferings under the idea of a ransom or price, and the result thereby secured is a purchase or redemption (comp. Acts 20:28; 1 Cor. 6:19, 20; Gal. 3:13; 4:4, 5; Eph. 1:7; Col. 1:14; 1 Tim. 2:5, 6; Titus 2:14; Heb. 9:12; 1 Pet. 1:18, 19; Rev. 5:9). The idea running through all these texts, however various their reference, is that of payment made for our redemption. The debt against us is not viewed as simply cancelled, but is fully paid. Christ's blood or life, which he surrendered for them, is the "ransom" by which the deliverance of his people from the servitude of sin and from its penal consequences is secured. It is the plain doctrine of Scripture that "Christ saves us neither by the mere exercise of power, nor by his doctrine, nor by his example, nor by the moral influence which he exerted, nor by any subjective influence on his people, whether natural or mystical, but as a satisfaction to divine justice, as an expiation for sin, and as a ransom from the curse and authority of the law, thus reconciling us to God by making it consistent with his perfection to exercise mercy toward sinners" (Hodge's Systematic Theology).