midrail

midrail

A rail approximately midway between the guardrail and platform, secured to the uprights erected along the exposed sides and ends of platforms.
References in periodicals archive ?
You may want to try using a rope caulk, such as Mortite, around the perimeter of your interior windows and at the midrail where the two sashes meet.
This will consist of an upper guard rail between 42 and 45 inches, a midrail halfway between the deck and the upper rail and a third rail ten inches above the deck.