JMdict entry #2413870

1. noun (common) (futsuumeishi) frame (i.e. of a sliding door)
2. noun (common) (futsuumeishi) crosspiece; bar
3. noun (common) (futsuumeishi) sliding wooden bolt (for holding a door or window shut)
   see: 猿・4
4. noun (common) (futsuumeishi) rung (of a ladder)