"plunging neckline" meaning in English

{
  "forms": [
    {
      "form": "plunging necklines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plunging neckline (plural plunging necklines)",
      "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"
        },
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        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Clothing",
          "orig": "en:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A (very) low-cut neckline, found on some dresses and other garments."
      ],
      "id": "en-plunging_neckline-en-noun-efFOcWyM",
      "links": [
        [
          "low-cut",
          "low-cut"
        ]
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "1. A low-cut neckline, found on some dresses and other garments",
          "tags": [
            "neuter"
          ],
          "word": "Dekolletee"
        }
      ],
      "wikipedia": [
        "plunging neckline"
      ]
    }
  ],
  "word": "plunging neckline"
}

{
  "forms": [
    {
      "form": "plunging necklines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plunging neckline (plural plunging necklines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with German translations",
        "en:Clothing"
      ],
      "glosses": [
        "A (very) low-cut neckline, found on some dresses and other garments."
      ],
      "links": [
        [
          "low-cut",
          "low-cut"
        ]
      ],
      "wikipedia": [
        "plunging neckline"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "1. A low-cut neckline, found on some dresses and other garments",
      "tags": [
        "neuter"
      ],
      "word": "Dekolletee"
    }
  ],
  "word": "plunging neckline"
}