fipple

/ˈfɪpəl/
noun
  1. A small, wedge-shaped block in the mouthpiece of a wind instrument (such as a recorder or whistle) that directs air against a sharp edge to produce sound.
    • The recorder's fipple is the part that splits the air to create its clear tone.
    • The fipple design in a tin whistle is what gives it that bright, piercing sound.
    • When cleaning the instrument, be careful not to damage the delicate fipple.
Synonyms
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