腕
  肱
  かいな
  noun (common) (futsuumeishi)
  archaism
  arm (esp. upper arm)
  counter
  counter used to measure the thickness of round objects
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  かいな
  particle
  [at sentence end]
  Kansai-ben 関西弁
  Kyuushuu-ben 九州弁
  expresses incredulousness, disbelief, irony, etc.
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