"maternity dress" meaning in English

{
  "forms": [
    {
      "form": "maternity dresses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "maternity dress (plural maternity dresses)",
      "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": "topical",
          "langcode": "en",
          "name": "Clothing",
          "orig": "en:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Pregnancy",
          "orig": "en:Pregnancy",
          "parents": [
            "Body",
            "Gynaecology",
            "Human",
            "Female",
            "Medicine",
            "All topics",
            "Gender",
            "Biology",
            "Sciences",
            "Fundamental",
            "Psychology",
            "Sociology",
            "Social sciences",
            "Society"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A dress designed to be worn by a pregnant woman who has a large baby bump"
      ],
      "id": "en-maternity_dress-en-noun-kPxrUK-~",
      "links": [
        [
          "baby bump",
          "baby bump"
        ]
      ],
      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "tags": [
            "feminine"
          ],
          "word": "bata de maternidad"
        }
      ]
    }
  ],
  "word": "maternity dress"
}

{
  "forms": [
    {
      "form": "maternity dresses",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "maternity dress (plural maternity dresses)",
      "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",
        "en:Clothing",
        "en:Pregnancy"
      ],
      "glosses": [
        "A dress designed to be worn by a pregnant woman who has a large baby bump"
      ],
      "links": [
        [
          "baby bump",
          "baby bump"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "tags": [
        "feminine"
      ],
      "word": "bata de maternidad"
    }
  ],
  "word": "maternity dress"
}