"chain letter" meaning in English

{
  "forms": [
    {
      "form": "chain letters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chain letter (plural chain letters)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Hebrew terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Post",
          "orig": "en:Post",
          "parents": [
            "Communication",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A letter that can be mailed successively to different recipients, with each recipient ostensibly (but sometimes sarcastically) being instructed in the body of the letter to mail the letter to another person or persons."
      ],
      "id": "en-chain_letter-en-noun-U3BBUpsP",
      "links": [
        [
          "mailed",
          "mailed"
        ],
        [
          "recipient",
          "recipient"
        ]
      ],
      "related": [
        {
          "word": "chain mail"
        },
        {
          "word": "spam"
        }
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "a letter that is mailed successively to different recipients",
          "word": "kædebrev"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "masculine"
          ],
          "word": "kettingbrief"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a letter that is mailed successively to different recipients",
          "word": "ketjukirje"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "masculine"
          ],
          "word": "Kettenbrief"
        },
        {
          "code": "he",
          "lang": "Hebrew",
          "roman": "mikhtáv sharshéret",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "masculine",
            "plural"
          ],
          "word": "מִכְתָּב שַׁרְשֶׁרֶת"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "feminine"
          ],
          "word": "catena di sant'antonio"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "neuter"
          ],
          "word": "kjedebrev"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "neuter"
          ],
          "word": "kjedebrev"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "masculine"
          ],
          "word": "łańcuszek"
        },
        {
          "code": "ru",
          "english": "happiness/luck letter",
          "lang": "Russian",
          "roman": "pisʹmó sčastʹja",
          "sense": "a letter that is mailed successively to different recipients",
          "word": "письмо́ счастья"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "a letter that is mailed successively to different recipients",
          "tags": [
            "neuter"
          ],
          "word": "kedjebrev"
        }
      ],
      "wikipedia": [
        "en:chain letter"
      ]
    }
  ],
  "word": "chain letter"
}

{
  "forms": [
    {
      "form": "chain letters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "chain letter (plural chain letters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "chain mail"
    },
    {
      "word": "spam"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Hebrew terms with redundant script codes",
        "en:Post"
      ],
      "glosses": [
        "A letter that can be mailed successively to different recipients, with each recipient ostensibly (but sometimes sarcastically) being instructed in the body of the letter to mail the letter to another person or persons."
      ],
      "links": [
        [
          "mailed",
          "mailed"
        ],
        [
          "recipient",
          "recipient"
        ]
      ],
      "wikipedia": [
        "en:chain letter"
      ]
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "a letter that is mailed successively to different recipients",
      "word": "kædebrev"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "masculine"
      ],
      "word": "kettingbrief"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a letter that is mailed successively to different recipients",
      "word": "ketjukirje"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "masculine"
      ],
      "word": "Kettenbrief"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "mikhtáv sharshéret",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "masculine",
        "plural"
      ],
      "word": "מִכְתָּב שַׁרְשֶׁרֶת"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "feminine"
      ],
      "word": "catena di sant'antonio"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "neuter"
      ],
      "word": "kjedebrev"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "neuter"
      ],
      "word": "kjedebrev"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "masculine"
      ],
      "word": "łańcuszek"
    },
    {
      "code": "ru",
      "english": "happiness/luck letter",
      "lang": "Russian",
      "roman": "pisʹmó sčastʹja",
      "sense": "a letter that is mailed successively to different recipients",
      "word": "письмо́ счастья"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "a letter that is mailed successively to different recipients",
      "tags": [
        "neuter"
      ],
      "word": "kedjebrev"
    }
  ],
  "word": "chain letter"
}