Lexicon :: Strong's G1349 - dikē

δίκη, -ης, ἡ, [allied with δείκνυμι, Curtius, § 14], from Homer down;
1. custom, usage, [cf. Schmidt, chapter 18, 4 cf. 3].
2. right, justice.
3. a suit at law.
4. a judicial hearing, judicial decision, especially a sentence of condemnation; so in Acts 25:15 [L T Tr WH καταδίκην].
5. execution of the sentence, punishment, (Wis. 18:11; 2 Macc. 8:11): δίκην ὑπέχειν, Jude 1:7; δίκην τίνειν (Sophocles El. 298; Aj. 113; Euripides, Or. 7), to suffer punishment, 2 Thessalonians 1:9.
6. the goddess Justice, avenging justice: Acts 28:4, as in Greek writings often from Hesiod theog. 902 on; (of the avenging justice of God, personified, Wis. 1:8, etc.; cf. Grimm at the passage and commentary on 4 Macc., p. 318, [he cites 4 Macc. 4:13, 21; 8:13, 21; 9:9; 11:3; 12:12; 18:22; Philo adv. Flacc. § 18; Eusebius, h. e. 2, 6, 8]).

Related entry:

καταδίκη, -ης, ἡ;
1. damnatory sentence, condemnation: Acts 25:15 L T Tr WH; ([Epicharmus in Ath. 2, 3 p. 36 d.], Polybius, Plutarch, Irenaeus 1, 16, 3).
2. penalty, especially a fine; (Thucydides, Dem., Lucian).