"diamond carry" meaning in English

{
  "etymology_text": "From diamond + carry. The four people doing the carrying resemble the four points of a diamond shape.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diamond carry (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A very stable method of carrying a spine board with one carrier at the head end, one at the foot end and one at each side."
      ],
      "id": "en-diamond_carry-en-noun-bG0LI6RZ",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "spine board",
          "spine board"
        ]
      ],
      "qualifier": "first aid",
      "raw_glosses": [
        "(medicine, first aid) A very stable method of carrying a spine board with one carrier at the head end, one at the foot end and one at each side."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "diamond carry"
}

{
  "etymology_text": "From diamond + carry. The four people doing the carrying resemble the four points of a diamond shape.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "diamond carry (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "en:Medicine"
      ],
      "glosses": [
        "A very stable method of carrying a spine board with one carrier at the head end, one at the foot end and one at each side."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "spine board",
          "spine board"
        ]
      ],
      "qualifier": "first aid",
      "raw_glosses": [
        "(medicine, first aid) A very stable method of carrying a spine board with one carrier at the head end, one at the foot end and one at each side."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "diamond carry"
}