Definition of "fettler" []

• A person who maintains railway lines. (noun)
• Someone whose job is to sand and grind small imperfections from metal and ceramic castings. (noun)
• Someone who fiddles or tinkers with things. (noun)
• A friend or mate (noun)

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• "A fettler is the man who cleans the machines in the mill."
• "'What's a fettler, and what is to fettle a machine?' inquired Horatia with interest."
• "CTS-V is the fastest production V8 saloon in the world, but extreme car fettler Hennessey Performance clearly doesn't think this is enough."