fishbone

/ˈfɪʃboʊn/
noun
  1. A bone of a fish, especially one of the many small, thin bones in the flesh.
    • A fishbone got stuck in my throat, and I had to drink water to wash it down.
    • Be careful eating this trout; it has lots of tiny fishbones.
    • She removed the fishbones before serving the salmon to the children.
  2. A diagram shaped like a fish skeleton, used to identify possible causes of a problem (also called a fishbone diagram or Ishikawa diagram).
    • The team created a fishbone diagram to analyze why sales dropped.
    • The fishbone chart helped us see all the factors contributing to the error.
    • In the meeting, we used a fishbone to brainstorm root causes of the delay.
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