"derailer" meaning in English

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      "args": {
        "1": "en",
        "2": "derailleur"
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      "expansion": "Doublet of derailleur",
      "name": "doublet"
    }
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  "etymology_text": "From derail + -er. Doublet of derailleur.",
  "forms": [
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      "form": "derailers",
      "tags": [
        "plural"
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      "expansion": "derailer (plural derailers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who, or that which, derails."
      ],
      "id": "en-derailer-en-noun-M2aYPq0t",
      "links": [
        [
          "derail",
          "derail"
        ]
      ]
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          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
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            "Transport",
            "All topics",
            "Fundamental"
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      "glosses": [
        "One who, or that which, derails.",
        "Synonym of derail: A device placed on railway tracks in order to cause a train to derail."
      ],
      "id": "en-derailer-en-noun-ZjfUoD-o",
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        [
          "derail",
          "derail"
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        [
          "rail transport",
          "rail transport"
        ],
        [
          "derail",
          "derail#English"
        ],
        [
          "device",
          "device"
        ],
        [
          "railway",
          "railway"
        ],
        [
          "track",
          "track"
        ],
        [
          "train",
          "train"
        ],
        [
          "derail",
          "derail#Verb"
        ]
      ],
      "raw_glosses": [
        "One who, or that which, derails.",
        "(rail transport) Synonym of derail: A device placed on railway tracks in order to cause a train to derail."
      ],
      "synonyms": [
        {
          "extra": "A device placed on railway tracks in order to cause a train to derail",
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "derail"
        }
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      "topics": [
        "rail-transport",
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        "transport"
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    },
    {
      "alt_of": [
        {
          "word": "derailleur"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Bicycle parts",
          "orig": "en:Bicycle parts",
          "parents": [
            "Cycling",
            "Transport",
            "All topics",
            "Fundamental"
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          "source": "w"
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        {
          "ref": "2009, Louis G. Perez, “Society in the Twenty-First Century”, in The History of Japan (The Greenwood Histories of the Modern Nations), 2nd edition, Westport, Conn., London: Greenwood Press, →ISBN, page 202:",
          "text": "Very few bicycles are of a different color or employ more gears with derailer sprockets and hand brakes.",
          "type": "quote"
        },
        {
          "ref": "2009, Christine Elliott, David Jablonka, “Cycles Alex Singer”, in Custom Bicycles: A Passionate Pursuit, Images Publishing, →ISBN, page 72, column 2:",
          "text": "Through sheer ingenuity and resourcefulness, these men handproduced parts such as derailers, stands, seat posts, cranks, fenders, and all manner of elements used in the production of a functional bicycle.",
          "type": "quote"
        },
        {
          "ref": "2016, Erik Reece, Utopia Drive: A Road Trip Through America’s Most Radical Idea, New York, N.Y.: Farrar, Straus and Giroux, →ISBN, page 170:",
          "text": "Inside, two bearded men are working on a busted fuel pump, and another is repairing a bicycle derailer.",
          "type": "quote"
        },
        {
          "ref": "[2016, Tony Hadland, Hans-Erhard Lessing, Bicycle Design: An Illustrated History, MIT Press, →ISBN, page 246:",
          "text": "Recent American attempts to further Anglicize the word to “derailer” have met with little success. In any case, no rails are involved.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of derailleur."
      ],
      "id": "en-derailer-en-noun-sqT4-u2h",
      "links": [
        [
          "derailleur",
          "derailleur#English"
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      "raw_glosses": [
        "(cycling, uncommon) Alternative form of derailleur."
      ],
      "tags": [
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      "topics": [
        "cycling",
        "hobbies",
        "lifestyle",
        "sports"
      ]
    }
  ],
  "word": "derailer"
}

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    "English doublets",
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    "English terms suffixed with -er (agent noun)",
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    },
    {
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        "2": "derailleur"
      },
      "expansion": "Doublet of derailleur",
      "name": "doublet"
    }
  ],
  "etymology_text": "From derail + -er. Doublet of derailleur.",
  "forms": [
    {
      "form": "derailers",
      "tags": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One who, or that which, derails."
      ],
      "links": [
        [
          "derail",
          "derail"
        ]
      ]
    },
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      "categories": [
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      ],
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        "One who, or that which, derails.",
        "Synonym of derail: A device placed on railway tracks in order to cause a train to derail."
      ],
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        [
          "derail",
          "derail"
        ],
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          "rail transport",
          "rail transport"
        ],
        [
          "derail",
          "derail#English"
        ],
        [
          "device",
          "device"
        ],
        [
          "railway",
          "railway"
        ],
        [
          "track",
          "track"
        ],
        [
          "train",
          "train"
        ],
        [
          "derail",
          "derail#Verb"
        ]
      ],
      "raw_glosses": [
        "One who, or that which, derails.",
        "(rail transport) Synonym of derail: A device placed on railway tracks in order to cause a train to derail."
      ],
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          "tags": [
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          ],
          "word": "derail"
        }
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
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    {
      "alt_of": [
        {
          "word": "derailleur"
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          "ref": "2009, Louis G. Perez, “Society in the Twenty-First Century”, in The History of Japan (The Greenwood Histories of the Modern Nations), 2nd edition, Westport, Conn., London: Greenwood Press, →ISBN, page 202:",
          "text": "Very few bicycles are of a different color or employ more gears with derailer sprockets and hand brakes.",
          "type": "quote"
        },
        {
          "ref": "2009, Christine Elliott, David Jablonka, “Cycles Alex Singer”, in Custom Bicycles: A Passionate Pursuit, Images Publishing, →ISBN, page 72, column 2:",
          "text": "Through sheer ingenuity and resourcefulness, these men handproduced parts such as derailers, stands, seat posts, cranks, fenders, and all manner of elements used in the production of a functional bicycle.",
          "type": "quote"
        },
        {
          "ref": "2016, Erik Reece, Utopia Drive: A Road Trip Through America’s Most Radical Idea, New York, N.Y.: Farrar, Straus and Giroux, →ISBN, page 170:",
          "text": "Inside, two bearded men are working on a busted fuel pump, and another is repairing a bicycle derailer.",
          "type": "quote"
        },
        {
          "ref": "[2016, Tony Hadland, Hans-Erhard Lessing, Bicycle Design: An Illustrated History, MIT Press, →ISBN, page 246:",
          "text": "Recent American attempts to further Anglicize the word to “derailer” have met with little success. In any case, no rails are involved.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of derailleur."
      ],
      "links": [
        [
          "derailleur",
          "derailleur#English"
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      ],
      "raw_glosses": [
        "(cycling, uncommon) Alternative form of derailleur."
      ],
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  "word": "derailer"
}