"one under" meaning in All languages combined

{
  "forms": [
    {
      "form": "one unders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "one under (plural one unders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Suicide",
          "orig": "en:Suicide",
          "parents": [
            "Death",
            "Body",
            "Life",
            "Human",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "2002, \"Tube Troll\", \">Incident @ Hangar lane tube <\", uk.transport.london http://groups.google.com/group/uk.transport.london/browse_thread/thread/9a749f81e7f414b9/04825cc24c006db5?lnk=st&q=%22one+under%22+train&rnum=3#\nThe twist in this tale is that the driver (who was at the back and hadn't seen anything) booked off with stress (as drivers often do after a one under) and the guard who had been driving and witnessed the whold [sic] traumatic event had to creep into work the next day and pretend that nothing had happned..."
        },
        {
          "ref": "2004, \"Joe\", \"TV Alert: BBC3 9pm Trauma TONIGHT\", uk.railway http://groups.google.com/group/uk.railway/browse_thread/thread/dacc3df5d74e3501/4b2dff0298b19cc4?lnk=st&q=%22one+under%22+train&rnum=39#4b2dff0298b19cc4",
          "text": "About a one under on the Northern line."
        },
        {
          "text": "2005, \"Neilw001\", \"'One under'\", uk.transport.london http://groups.google.com/group/uk.transport.london/browse_thread/thread/2a2f71c4882d54ca/96db8446353aa28d?lnk=st&q=%22one+under%22+train&rnum=7#96db8446353aa28d\nI've been on a train when some [sic] has gone under. Actually heard the thump and then the driver on the radio saying \"I've got one under\"."
        }
      ],
      "glosses": [
        "A person under a train; a person hit by a train after jumping or falling in front of it."
      ],
      "id": "en-one_under-en-noun-DjEXzfP3",
      "links": [
        [
          "rail transport",
          "rail transport"
        ]
      ],
      "raw_glosses": [
        "(rail transport, slang, British) A person under a train; a person hit by a train after jumping or falling in front of it."
      ],
      "synonyms": [
        {
          "english": "London Underground, official",
          "word": "person under train"
        },
        {
          "tags": [
            "New-York"
          ],
          "word": "track pizza"
        }
      ],
      "tags": [
        "British",
        "slang"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-one under.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c3/En-au-one_under.ogg/En-au-one_under.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c3/En-au-one_under.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "one under"
}

{
  "forms": [
    {
      "form": "one unders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "one under (plural one unders)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with audio links",
        "English terms with non-redundant non-automated sortkeys",
        "en:Rail transportation",
        "en:Suicide"
      ],
      "examples": [
        {
          "text": "2002, \"Tube Troll\", \">Incident @ Hangar lane tube <\", uk.transport.london http://groups.google.com/group/uk.transport.london/browse_thread/thread/9a749f81e7f414b9/04825cc24c006db5?lnk=st&q=%22one+under%22+train&rnum=3#\nThe twist in this tale is that the driver (who was at the back and hadn't seen anything) booked off with stress (as drivers often do after a one under) and the guard who had been driving and witnessed the whold [sic] traumatic event had to creep into work the next day and pretend that nothing had happned..."
        },
        {
          "ref": "2004, \"Joe\", \"TV Alert: BBC3 9pm Trauma TONIGHT\", uk.railway http://groups.google.com/group/uk.railway/browse_thread/thread/dacc3df5d74e3501/4b2dff0298b19cc4?lnk=st&q=%22one+under%22+train&rnum=39#4b2dff0298b19cc4",
          "text": "About a one under on the Northern line."
        },
        {
          "text": "2005, \"Neilw001\", \"'One under'\", uk.transport.london http://groups.google.com/group/uk.transport.london/browse_thread/thread/2a2f71c4882d54ca/96db8446353aa28d?lnk=st&q=%22one+under%22+train&rnum=7#96db8446353aa28d\nI've been on a train when some [sic] has gone under. Actually heard the thump and then the driver on the radio saying \"I've got one under\"."
        }
      ],
      "glosses": [
        "A person under a train; a person hit by a train after jumping or falling in front of it."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ]
      ],
      "raw_glosses": [
        "(rail transport, slang, British) A person under a train; a person hit by a train after jumping or falling in front of it."
      ],
      "tags": [
        "British",
        "slang"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "En-au-one under.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/c/c3/En-au-one_under.ogg/En-au-one_under.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/c/c3/En-au-one_under.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "synonyms": [
    {
      "english": "London Underground, official",
      "word": "person under train"
    },
    {
      "tags": [
        "New-York"
      ],
      "word": "track pizza"
    }
  ],
  "word": "one under"
}