διδαχή, 
-ῆς, 
ἡ, (
διδάσκω), [from Herodotus down];
1. teaching, viz. 
that which is taught: 
Mark 1:27; 
John 7:16; 
Acts 17:19; [
Rom 6:17]; 
Rom 16:17; 
2 John 1:10; 
Revelation 2:24; 
ἡ διδ. 
τινος, one's doctrine, 
i. e. what he teaches: 
Matthew 7:28; 
Matthew 16:12; 
Matthew 22:33; 
Mark 1:22; 
Mark 11:18; 
Luke 4:32; 
John 18:19; 
Acts 5:28; 
Revelation 2:14f; 
ἡ διδαχή of God, 
τοῦ κυρίου, 
τοῦ Χριστοῦ, the doctrine which has God, Christ, the Lord, for its author and supporter: 
John 7:17; 
Acts 13:12; 
2 John 1:9; with the genitive of the object, 
doctrine, teaching, concerning something: 
Hebrews 6:2 [Winer's Grammar, 187 (176); 192 (181); 551 (513)]; plural 
Hebrews 13:9.
2. [the act of] 
teaching, instruction, (cf. 
διδασκαλία [on the supposed distinction between the two words and their use in the 
N. T. see Ellicott on 
2 Timothy 4:2; they are associated in 
2 Timothy 4:2, 
3; 
Titus 1:9]): 
Acts 2:42; 
2 Timothy 4:2; 
ἐν τῇ διδαχῇ, 
while he was teaching, a phrase by which the Evangelist indicates that he is about to cite some of the many words which Jesus spoke at that time, 
Mark 4:2; 
Mark 12:38; 
τοῦ κατὰ τὴν διδαχὴν πιστοῦ λόγου, the faithful word which is in accordance with the received (
2 Timothy 3:14) instruction, 
Titus 1:9; in particular, the teaching of the 
διδάσκαλος (which see 6) in the religious assemblies of Christians: 
λαλεῖν ἐν διδαχῇ, to speak in the way of 
teaching, in distinction from other modes of speaking in public, 
1 Corinthians 14:6; 
ἔχω διδαχήν, to have something to teach, 
1 Corinthians 14:26. 
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