"in harness" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "in harness",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "in harness",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "senses": [
    {
      "categories": [
        {
          "_dis": "59 41",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Of horses: side by side, fastened together; figuratively, together."
      ],
      "id": "en-in_harness-en-prep_phrase-XOwpvkb1",
      "links": [
        [
          "side by side",
          "side by side"
        ],
        [
          "together",
          "together"
        ]
      ]
    },
    {
      "antonyms": [
        {
          "word": "out of harness"
        }
      ],
      "categories": [],
      "derived": [
        {
          "_dis1": "35 65",
          "word": "die in harness"
        }
      ],
      "examples": [
        {
          "ref": "1977, John Le Carré, The Honourable Schoolboy, Folio Society, published 2010, page 45",
          "text": "The mothers likened his behaviour to the last days of Control, who had died in harness, thanks to Haydon, of a broken heart.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In the midst of the working routine; at work."
      ],
      "id": "en-in_harness-en-prep_phrase-SPZHSDP5",
      "links": [
        [
          "working",
          "working"
        ],
        [
          "work",
          "work"
        ]
      ],
      "related": [
        {
          "_dis1": "35 65",
          "word": "in office"
        }
      ],
      "synonyms": [
        {
          "word": "in collar"
        }
      ]
    }
  ],
  "word": "in harness"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English prepositional phrases"
  ],
  "derived": [
    {
      "word": "die in harness"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prepositional phrase",
        "head": ""
      },
      "expansion": "in harness",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "in harness",
      "name": "en-PP"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prep_phrase",
  "related": [
    {
      "word": "in office"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Of horses: side by side, fastened together; figuratively, together."
      ],
      "links": [
        [
          "side by side",
          "side by side"
        ],
        [
          "together",
          "together"
        ]
      ]
    },
    {
      "antonyms": [
        {
          "word": "out of harness"
        }
      ],
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1977, John Le Carré, The Honourable Schoolboy, Folio Society, published 2010, page 45",
          "text": "The mothers likened his behaviour to the last days of Control, who had died in harness, thanks to Haydon, of a broken heart.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "In the midst of the working routine; at work."
      ],
      "links": [
        [
          "working",
          "working"
        ],
        [
          "work",
          "work"
        ]
      ],
      "synonyms": [
        {
          "word": "in collar"
        }
      ]
    }
  ],
  "word": "in harness"
}