切羽
  切刃
  せっぱ
  noun (common) (futsuumeishi)
  thin washer on either side of the guard (tsuba) of a sword
  see: 切羽詰まる
  (up to) the hilt
  wits' end
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  切り羽
  切羽
  切り端
  切端
  きりは
  noun (common) (futsuumeishi)
  face (of a wall of coal or ore, etc.)
  working face (of a mine)
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