" The common Greek language as distinct from Classical Greek." The Septuagint and the Christian Scriptures (New Testament) were written in Koine Greek.
a Greek dialect that flourished under the Roman Empire
a common language used by speakers of different languages; "Koine is a dialect of ancient Greek that was the lingua franca of the empire of Alexander the Great and was widely spoken throughout the eastern Mediterranean area in Roman times"
a common dialect of the Greek language that influenced the speech of peninsular Greece. (p. 106)
(Gr., "shared or common"): the Greek of the Hellenistic World; it was the language of the cities founded by Alexander the Great and his successors. Koine was utilized for the translation of the Old Testament and New Testament.