"doublestack" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "double",
        "3": "stack"
      },
      "expansion": "double + stack",
      "name": "compound"
    }
  ],
  "etymology_text": "From double + stack.",
  "forms": [
    {
      "form": "double-stack",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "doublestack (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Rail transportation",
          "orig": "en:Rail transportation",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Involving intermodal containers stacked two units high."
      ],
      "id": "en-doublestack-en-adj--K6brItN",
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "intermodal",
          "intermodal"
        ],
        [
          "container",
          "container"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Involving intermodal containers stacked two units high."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "doublestack"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "double",
        "3": "stack"
      },
      "expansion": "double + stack",
      "name": "compound"
    }
  ],
  "etymology_text": "From double + stack.",
  "forms": [
    {
      "form": "double-stack",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "doublestack (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English compound terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English links with redundant alt parameters",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Rail transportation"
      ],
      "glosses": [
        "Involving intermodal containers stacked two units high."
      ],
      "links": [
        [
          "rail transport",
          "rail transport"
        ],
        [
          "intermodal",
          "intermodal"
        ],
        [
          "container",
          "container"
        ]
      ],
      "raw_glosses": [
        "(rail transport) Involving intermodal containers stacked two units high."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "rail-transport",
        "railways",
        "transport"
      ]
    }
  ],
  "word": "doublestack"
}