"nine-thousander" meaning in English

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  "etymology_text": "From nine thousand + -er.",
  "forms": [
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      "form": "nine-thousanders",
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  "lang_code": "en",
  "pos": "noun",
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          "ref": "2018 August 5, Johanna Stöckl, “Reinhold Messner and his famous expedition to Mount Everest: “You mutate into a zombie””, in ISPO:",
          "text": "Let’s say that Everest was 200 meters higher, that is, a nine-thousander peak. Would an ascent without additional oxygen still be possible?",
          "type": "quote"
        }
      ],
      "glosses": [
        "Any mountain that extends more than 9,000 metres (29,528 ft) from the surface."
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        "Any mountain that extends more than 9,000 feet but less than 10,000 feet above sea level."
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  "word": "nine-thousander"
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  ],
  "etymology_text": "From nine thousand + -er.",
  "forms": [
    {
      "form": "nine-thousanders",
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        "Any mountain that extends more than 9,000 metres (29,528 ft) from the surface."
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