"drop someone a line" meaning in English

{
  "forms": [
    {
      "form": "drops someone a line",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dropping someone a line",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dropped someone a line",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dropped someone a line",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "drop someone a line (third-person singular simple present drops someone a line, present participle dropping someone a line, simple past and past participle dropped someone a line)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Irish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Korean translations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "If you get a chance, drop me a line when you arrive in Cairo.",
          "type": "example"
        }
      ],
      "glosses": [
        "Write and send (someone) a note or telegram."
      ],
      "id": "en-drop_someone_a_line-en-verb-dNlBi6Dl",
      "links": [
        [
          "telegram",
          "telegram"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Write and send (someone) a note or telegram."
      ],
      "synonyms": [
        {
          "word": "buzz"
        },
        {
          "word": "call"
        },
        {
          "word": "ring up"
        }
      ],
      "tags": [
        "idiomatic"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "write and send someone a note or telegram",
          "word": "ottaa yhteyttä"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "write and send someone a note or telegram",
          "word": "ilmoittaa"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "write and send someone a note or telegram",
          "word": "cúpla líne a chur chuig duine"
        },
        {
          "code": "ga",
          "lang": "Irish",
          "sense": "write and send someone a note or telegram",
          "word": "cúpla líne a scríobh chuig duine"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "yeollakhada",
          "sense": "write and send someone a note or telegram",
          "word": "연락하다"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-drop someone a line.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/46/En-au-drop_someone_a_line.ogg/En-au-drop_someone_a_line.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/46/En-au-drop_someone_a_line.ogg"
    }
  ],
  "word": "drop someone a line"
}

{
  "forms": [
    {
      "form": "drops someone a line",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dropping someone a line",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dropped someone a line",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dropped someone a line",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "drop someone a line (third-person singular simple present drops someone a line, present participle dropping someone a line, simple past and past participle dropped someone a line)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English terms with usage examples",
        "English verbs",
        "Entries with translation boxes",
        "Korean terms with redundant script codes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Irish translations",
        "Terms with Korean translations"
      ],
      "examples": [
        {
          "text": "If you get a chance, drop me a line when you arrive in Cairo.",
          "type": "example"
        }
      ],
      "glosses": [
        "Write and send (someone) a note or telegram."
      ],
      "links": [
        [
          "telegram",
          "telegram"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) Write and send (someone) a note or telegram."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-drop someone a line.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/4/46/En-au-drop_someone_a_line.ogg/En-au-drop_someone_a_line.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/4/46/En-au-drop_someone_a_line.ogg"
    }
  ],
  "synonyms": [
    {
      "word": "buzz"
    },
    {
      "word": "call"
    },
    {
      "word": "ring up"
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "write and send someone a note or telegram",
      "word": "ottaa yhteyttä"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "write and send someone a note or telegram",
      "word": "ilmoittaa"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "write and send someone a note or telegram",
      "word": "cúpla líne a chur chuig duine"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "write and send someone a note or telegram",
      "word": "cúpla líne a scríobh chuig duine"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "yeollakhada",
      "sense": "write and send someone a note or telegram",
      "word": "연락하다"
    }
  ],
  "word": "drop someone a line"
}