"duck and cover" meaning in English

{
  "forms": [
    {
      "form": "ducks and covers",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "ducking and covering",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ducked and covered",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "ducked and covered",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "duck<> and cover<>"
      },
      "expansion": "duck and cover (third-person singular simple present ducks and covers, present participle ducking and covering, simple past and past participle ducked and covered)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nuclear warfare",
          "orig": "en:Nuclear warfare",
          "parents": [
            "War",
            "Weapons",
            "Conflict",
            "Military",
            "Violence",
            "Hunting",
            "Tools",
            "Human behaviour",
            "Society",
            "Human activity",
            "Technology",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1986, \"Weird Al\" Yankovic (lyrics and music), “Christmas at Ground Zero”, in Polka Party!:",
          "text": "It's Christmas at ground zero / Just seconds left to go / I'll duck and cover / With my Yuletide lover / Underneath the mistletoe",
          "type": "quote"
        }
      ],
      "glosses": [
        "To duck under a surface and cover one's face with one's hands, as a means to protect oneself from flying debris etc."
      ],
      "id": "en-duck_and_cover-en-verb-Slsgzt1m",
      "links": [
        [
          "duck",
          "duck"
        ],
        [
          "under",
          "under"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "cover",
          "cover"
        ],
        [
          "face",
          "face"
        ],
        [
          "hand",
          "hand"
        ],
        [
          "protect",
          "protect"
        ],
        [
          "flying",
          "flying"
        ],
        [
          "debris",
          "debris"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To duck under a surface and cover one's face with one's hands, as a means to protect oneself from flying debris etc."
      ],
      "tags": [
        "intransitive"
      ],
      "wikipedia": [
        "duck and cover"
      ]
    }
  ],
  "word": "duck and cover"
}

{
  "forms": [
    {
      "form": "ducks and covers",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "ducking and covering",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "ducked and covered",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "ducked and covered",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "duck<> and cover<>"
      },
      "expansion": "duck and cover (third-person singular simple present ducks and covers, present participle ducking and covering, simple past and past participle ducked and covered)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English coordinated pairs",
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English terms with quotations",
        "English verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Nuclear warfare"
      ],
      "examples": [
        {
          "ref": "1986, \"Weird Al\" Yankovic (lyrics and music), “Christmas at Ground Zero”, in Polka Party!:",
          "text": "It's Christmas at ground zero / Just seconds left to go / I'll duck and cover / With my Yuletide lover / Underneath the mistletoe",
          "type": "quote"
        }
      ],
      "glosses": [
        "To duck under a surface and cover one's face with one's hands, as a means to protect oneself from flying debris etc."
      ],
      "links": [
        [
          "duck",
          "duck"
        ],
        [
          "under",
          "under"
        ],
        [
          "surface",
          "surface"
        ],
        [
          "cover",
          "cover"
        ],
        [
          "face",
          "face"
        ],
        [
          "hand",
          "hand"
        ],
        [
          "protect",
          "protect"
        ],
        [
          "flying",
          "flying"
        ],
        [
          "debris",
          "debris"
        ]
      ],
      "raw_glosses": [
        "(intransitive) To duck under a surface and cover one's face with one's hands, as a means to protect oneself from flying debris etc."
      ],
      "tags": [
        "intransitive"
      ],
      "wikipedia": [
        "duck and cover"
      ]
    }
  ],
  "word": "duck and cover"
}