Definitions for "MEETING RAIL"
Keywords:  sash, hung, rail, interlock, horizontal
The point at which the horizontal sections of the top and bottom sash meet. On sliders, the meeting rail is vertical.
"U" shaped channels attached to the fixed and active panels of a Sliding Patio Door. When in the closed position the channels from the two panels interlock to provide a weather (air and water) barrier.
The rail of a double-hung window sash designed to interlock with the adjacent rail.