"subport" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "port"
      },
      "expansion": "sub- + port",
      "name": "pre"
    }
  ],
  "etymology_text": "sub- + port",
  "forms": [
    {
      "form": "subports",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subport (plural subports)",
      "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": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1956, Chester Wardlow, The Transportation Corps: Movements, Training, and Supply, page 100",
          "text": "Charleston was a subport of New York until January 1942.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A secondary or subsidiary port."
      ],
      "id": "en-subport-en-noun-0b4XWr8V",
      "links": [
        [
          "secondary",
          "secondary"
        ],
        [
          "subsidiary",
          "subsidiary"
        ],
        [
          "port",
          "port"
        ]
      ]
    }
  ],
  "word": "subport"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "port"
      },
      "expansion": "sub- + port",
      "name": "pre"
    }
  ],
  "etymology_text": "sub- + port",
  "forms": [
    {
      "form": "subports",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subport (plural subports)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1956, Chester Wardlow, The Transportation Corps: Movements, Training, and Supply, page 100",
          "text": "Charleston was a subport of New York until January 1942.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A secondary or subsidiary port."
      ],
      "links": [
        [
          "secondary",
          "secondary"
        ],
        [
          "subsidiary",
          "subsidiary"
        ],
        [
          "port",
          "port"
        ]
      ]
    }
  ],
  "word": "subport"
}