"dead-drop" meaning in English

{
  "forms": [
    {
      "form": "dead-drops",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dead-dropping",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dead-dropped",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dead-dropped",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "++"
      },
      "expansion": "dead-drop (third-person singular simple present dead-drops, present participle dead-dropping, simple past and past participle dead-dropped)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "dead drop"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007, Ion Mihai Pacepa, Programmed to Kill:",
          "text": "The agent had to dead-drop the locker key to the PGU by some simple means, such as by taping it underneath a predesignated park bench, where it could be retrieved unobtrusively, usually by an officer under illegal cover.",
          "type": "quote"
        },
        {
          "ref": "2011, Robert W. Swanson, The Russian Shoot, page 174:",
          "text": "Last week, he 'dead-dropped' some pictures of the last dozen or so relatively new arrivals to Moscow and their assigned cars.",
          "type": "quote"
        },
        {
          "ref": "2020, H. Keith Melton, Robert Wallace, Spy Sites of New York City, page 11:",
          "text": "Upon arriving in Setauket, Roe would dead-drop the information in a box in the middle of a field owned by Woodhull. Woodhull took the secrets to Brewster, who delivered them to Major Tallmadge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of dead drop"
      ],
      "id": "en-dead-drop-en-verb-nnT73xqE",
      "links": [
        [
          "dead drop",
          "dead drop#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "dead-drop"
}

{
  "forms": [
    {
      "form": "dead-drops",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "dead-dropping",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "dead-dropped",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "dead-dropped",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "++"
      },
      "expansion": "dead-drop (third-person singular simple present dead-drops, present participle dead-dropping, simple past and past participle dead-dropped)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "dead drop"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2007, Ion Mihai Pacepa, Programmed to Kill:",
          "text": "The agent had to dead-drop the locker key to the PGU by some simple means, such as by taping it underneath a predesignated park bench, where it could be retrieved unobtrusively, usually by an officer under illegal cover.",
          "type": "quote"
        },
        {
          "ref": "2011, Robert W. Swanson, The Russian Shoot, page 174:",
          "text": "Last week, he 'dead-dropped' some pictures of the last dozen or so relatively new arrivals to Moscow and their assigned cars.",
          "type": "quote"
        },
        {
          "ref": "2020, H. Keith Melton, Robert Wallace, Spy Sites of New York City, page 11:",
          "text": "Upon arriving in Setauket, Roe would dead-drop the information in a box in the middle of a field owned by Woodhull. Woodhull took the secrets to Brewster, who delivered them to Major Tallmadge.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of dead drop"
      ],
      "links": [
        [
          "dead drop",
          "dead drop#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "dead-drop"
}