"letter of mart" meaning in English

{
  "forms": [
    {
      "form": "letters of mart",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "letters of mart"
      },
      "expansion": "letter of mart (plural letters of mart)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "of marque"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1867, Willard Phillips, A Treatise on the Law of Insurance - Volume 1, page 26",
          "text": "The old and the present enumeration in English policies is, \"perils of the seas, men of war, fire, enemes, pirates, rovers, thieves, jettisons, letters of mart and countermart, surprisals, takings at sea, arrests, restraints and detainments of all kings, princes, and people, of what nation, condition or quality soever, barratry of the master and mariners, and all other perils.\"",
          "type": "quotation"
        },
        {
          "ref": "1988, Alex Leon Parks, The law and practice of marine insurance and average, page 310",
          "text": "Although the perils clause ostensibly insures with respect to letters of mart and countermart, this peril is non-existent today, privateering having been abolished under the laws of nations by the Declaration of Paris, 1856.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of letter of marque."
      ],
      "id": "en-letter_of_mart-en-noun-7BWYGmIg",
      "links": [
        [
          "letter of marque",
          "letter of marque#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "letter"
      ]
    }
  ],
  "word": "letter of mart"
}

{
  "forms": [
    {
      "form": "letters of mart",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "letters of mart"
      },
      "expansion": "letter of mart (plural letters of mart)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "of marque"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1867, Willard Phillips, A Treatise on the Law of Insurance - Volume 1, page 26",
          "text": "The old and the present enumeration in English policies is, \"perils of the seas, men of war, fire, enemes, pirates, rovers, thieves, jettisons, letters of mart and countermart, surprisals, takings at sea, arrests, restraints and detainments of all kings, princes, and people, of what nation, condition or quality soever, barratry of the master and mariners, and all other perils.\"",
          "type": "quotation"
        },
        {
          "ref": "1988, Alex Leon Parks, The law and practice of marine insurance and average, page 310",
          "text": "Although the perils clause ostensibly insures with respect to letters of mart and countermart, this peril is non-existent today, privateering having been abolished under the laws of nations by the Declaration of Paris, 1856.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of letter of marque."
      ],
      "links": [
        [
          "letter of marque",
          "letter of marque#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative",
        "letter"
      ]
    }
  ],
  "word": "letter of mart"
}