"mail plane" meaning in English

{
  "forms": [
    {
      "form": "mail planes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mail plane (plural mail planes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mailplane"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "bold_text_offsets": [
            [
              40,
              50
            ]
          ],
          "ref": "1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC:",
          "text": "Among other things, he had been up in a mail plane seventeen times, he had been to Nova Scotia, he had seen an elephant, and his granddaddy was Brigadier General Joe Wheeler and left him his sword.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              201,
              211
            ]
          ],
          "ref": "2006, Alexis Wright, Carpentaria, Giramondo, published 2012, page 211:",
          "text": "Instructions followed for the package to be covered with clean ice in a six-pack esky (which should be big enough), and stored in a cool room at the hotel or the butcher shop, until the arrival of the mail plane.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of mailplane"
      ],
      "id": "en-mail_plane-en-noun-SXhrbbea",
      "links": [
        [
          "mailplane",
          "mailplane#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "mail plane"
}

{
  "forms": [
    {
      "form": "mail planes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "mail plane (plural mail planes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "mailplane"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              40,
              50
            ]
          ],
          "ref": "1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC:",
          "text": "Among other things, he had been up in a mail plane seventeen times, he had been to Nova Scotia, he had seen an elephant, and his granddaddy was Brigadier General Joe Wheeler and left him his sword.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              201,
              211
            ]
          ],
          "ref": "2006, Alexis Wright, Carpentaria, Giramondo, published 2012, page 211:",
          "text": "Instructions followed for the package to be covered with clean ice in a six-pack esky (which should be big enough), and stored in a cool room at the hotel or the butcher shop, until the arrival of the mail plane.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of mailplane"
      ],
      "links": [
        [
          "mailplane",
          "mailplane#English"
        ]
      ],
      "tags": [
        "alt-of",
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    }
  ],
  "word": "mail plane"
}