A Greek version of the Hebrew Scriptures that dates from the 3rd century b.c., containing both a translation of the Hebrew and additional and variant material, regarded as the standard form of the Old Testament in the early Christian Church and still canonical in the Eastern Orthodox Church.
ETYMOLOGY:
Latin septugint, seventy (from the traditional number of its translators) : septem, seven; see sept in Appendix I + -gint, ten times; see dek in Appendix I.