Definition of: Septuagint

(sep′ch·ə·jint′, sep′t-) noun
An old Greek version of the Old Testament Scriptures, made in Alexandria between 280 and 130 B.C. It is the version used by the Greek Church. [<L septuaginta seventy; from a tradition that it was produced for Ptolemy II in 70 days by a group of 72 scholars]
—Sep′·tu·a·gin′tal adjective