A strip of steel or wood which covers or closes the gap between the edges of a pair of doors some types overlap others meet at the center line of the gap.
Door hardware parts terminology.
Inactive door is fixed while the active panel moves open and close.
The leaf of a pair of doors double doors that opens first and has the locking or latching device the other door is called the inactive door and opens when flush bolts or surface bolts are released.
Exterior hardware such as deadbolts and entry sets come in single cylinder and double cylinder functions.
Other door hardware terms.
This post has two door hardware terms that are good to know.
Brick molding a molding used on an exterior door typically applied to prehung units put on the outside of the frame as a stop or to hide brick siding stucco or concrete.
Mortise plate the plate on the edge of the latch mechanism that provides additional security and a nicer cleaner look.
Metal stripping which is soldered at the joints used between cut glass pieces to assemble the pieces into a decorative glass panel.
Interior hardware such as door knobs and door levers are available in passage privacy or dummy functions.
The backset is the distance from the edge of the door to the center line of the prepared cross bore hole drilled to install most locks.
Beyond parts there are a few more terms you might find helpful when it comes to purchasing and installing your door hardware.
Bottom rail the bottom portion of the door.
The function of your door hardware refers what mechanisms are used and how they operate in your hardware.