1Attributive and in the genitive. Designating the translation of the Bible made on the order of James I, as "King James's Translation", "King James Version", etc.
2King James Bible.
Mid 17th century (in an earlier sense). From King James, the name of James VI, King of Scotland (reigned 1567–1625), who also reigned as James I, King of England and Ireland 1603–25.