JMdict entry #2413900

1. noun (common) (futsuumeishi) abbreviation sheathing (under thatched roofing)
2. noun (common) (futsuumeishi) lath (used as a foundation for a mud plaster wall)
3. noun (common) (futsuumeishi) decorative rafters (of alternating wood and bamboo)
   see: 桟竹