"mailship" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mail",
        "3": "ship"
      },
      "expansion": "mail + ship",
      "name": "af"
    }
  ],
  "etymology_text": "From mail + ship.",
  "forms": [
    {
      "form": "mailships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mailship (plural mailships)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
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          "parents": [],
          "source": "w"
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        {
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Watercraft",
          "orig": "en:Watercraft",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              58,
              67
            ]
          ],
          "ref": "1959 October 13, T. W. E. Roche, “Traffic Working at Dover Marine Station”, in Railway Magazine, page 683:",
          "text": "The newest ships using the Admiralty Pier are the Belgian mailships, the Roi Leopold III, the Koningin Elisabeth and the Reine Astrid, all of 3,794 tons, and built in 1956, 1957 and 1958 respectively.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A ship used to carry mail."
      ],
      "id": "en-mailship-en-noun-NcMqb9zI",
      "links": [
        [
          "ship",
          "ship"
        ],
        [
          "mail",
          "mail"
        ]
      ],
      "related": [
        {
          "word": "packet boat"
        }
      ],
      "synonyms": [
        {
          "word": "mailboat"
        }
      ]
    }
  ],
  "word": "mailship"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mail",
        "3": "ship"
      },
      "expansion": "mail + ship",
      "name": "af"
    }
  ],
  "etymology_text": "From mail + ship.",
  "forms": [
    {
      "form": "mailships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mailship (plural mailships)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "packet boat"
    }
  ],
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
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        "Pages with entries",
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          "ref": "1959 October 13, T. W. E. Roche, “Traffic Working at Dover Marine Station”, in Railway Magazine, page 683:",
          "text": "The newest ships using the Admiralty Pier are the Belgian mailships, the Roi Leopold III, the Koningin Elisabeth and the Reine Astrid, all of 3,794 tons, and built in 1956, 1957 and 1958 respectively.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A ship used to carry mail."
      ],
      "links": [
        [
          "ship",
          "ship"
        ],
        [
          "mail",
          "mail"
        ]
      ],
      "synonyms": [
        {
          "word": "mailboat"
        }
      ]
    }
  ],
  "word": "mailship"
}