What is Lords Of Articles?

Legal Definition
A committee of the Scottish parliament, which, in the mode of its election, and by the nature of its powers, was calculated to increase the influence of the crown, and to confer upon it a power equivalent to that of a negative before debate. This system appeared inconsistent with the freedom of parliament, and at the revolution the convention of estates declared it a grievance, and accordingly it was suppressed by Act 1690, c.

3. Wharton.
-- Black's Law Dictionary
Legal Definition
(Scotch) A parliamentary committee designed to increase the crown’s power, later was abolished by statute.
-- Ballentine's Law Dictionary