Lexical Definition

‎διάλεκτος‎ diálektos (dee-al'-ek-tos) language G:N-F
from ‎διαλέγομαι‎

language, tongue.

Usage: 2 forms in 7 verses
Form Translated As     In Verse(s)
διαλέκτῳ language Acts.1.19Acts.2.6Acts.2.8Acts.21.40Acts.22.2Acts.26.14
διαλέκτω their dialect LXX.Esth.9.26

Abbott-Smith

διά-λεκτος, -ου, ἡ (< διαλέγομαι), [in LXX: Da LXX 1:4 (לָשׁוֹן), Es 9:26 * ;]
1. conversation, discourse, speech (Plat., Dem., al.).
2. As in Polyb. and later writers, the language or dialect of a particular country or district: Ac 1:19 2:6, 8 21:40 22:2 26:14.†

Abbott-Smith References

Book Refs
Esther 9:26
Daniel 1:4
Acts 1:19 · 2:6 · 2:8 · 21:40 · 22:2 · 26:14

Liddell-Scott-Jones

διάλεκτος-ος, ,

discourse, conversation, [Refs 5th c.BC+]; discussion, debate, argument, [Refs]; opposed to ἔρις, [Refs]

__2 common language, talk, δ. πρὸς ἀλλήλους [Refs 4th c.BC+]
__II speech, language, [Refs 5th c.BC+]; δ. ἀμνίου, opposed to τὰ ἔνδον δράκοντος, [Refs 5th c.BC+]; articulate speech, language, opposed to φωνή, [διάλεκτοςοι πολλαί [prev. author] “Pr.” 895a6 ">Refs 4th c.BC+]; but also, spoken, opposed to written language, [Refs 1st c.BC+]
__II.2 the language of a country, [Refs 2nd c.BC+]: especially dialect, as Ionic, Attic, etc., [Refs 2nd c.BC+]; also, local word or expression, [Refs 1st c.AD+]
__III way of speaking, accent, [Refs 4th c.BC+]
__III.2 plural, modes of expression, [Refs 4th c.BC+]
__IV style, πανηγυρική, ποιητικὴ δ., [Refs 1st c.BC+]: especially poetical diction, [Refs 1st c.BC+]
__V of musical instruments, quality, 'idiom', [Refs 4th c.BC+]