: a rail or strip fitted with pins or for holding pins: such as. a : a rail that holds belaying pins especially : one along the bulwarks. b : a beam at one side of a theater stage through which wooden or metal pins are driven and to which lines from the flies are fastened.

What is a pin rail used for?

Theater. a rail on a fly gallery, wall, etc., holding two rows of pins or cleats for securing lines attached to scenery.

What is a rail in Theatre?

a horizontally swinging bracket for supporting a drop leaf. Also called fly-rail, working rail. Theater. the upper row of pins or cleats on a pin rail, used for tying off or fastening lines of scenery to be flied.