Melchizedek (i.e. king of righteousness or justice), a priest-king of Canaan, to whom, though of no lineage as a priest, but as a minister of God's justice, Abraham did homage and paid tithes; a true type of priest as ordained of God, and one in that capacity “without father and without mother.”
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Melbourne, William Lamb, Viscount * Meleager