a rule of proceeding adopted by the concurrent action of both branches of a legislative assembly.- Barclay (Digest).
See also: Joint
joint rule
joint rod, joint rule
A piece of metal, usually 2 to 24 in. (approx. 5 to 60 cm) long and 4 in. (10 cm) wide with a 45° angle cut at one end, used to form and shape mitered plaster joints in cornice work.