"baby grand" meaning in English

{
  "forms": [
    {
      "form": "baby grands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "baby grand (plural baby grands)",
      "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": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English oxymorons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Musical instruments",
          "orig": "en:Musical instruments",
          "parents": [
            "Music",
            "Tools",
            "Art",
            "Sound",
            "Technology",
            "Culture",
            "Energy",
            "All topics",
            "Society",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A baby grand piano."
      ],
      "id": "en-baby_grand-en-noun-kkf1UMZy",
      "links": [
        [
          "baby grand piano",
          "baby grand piano"
        ]
      ]
    }
  ],
  "word": "baby grand"
}

{
  "forms": [
    {
      "form": "baby grands",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "baby grand (plural baby grands)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English oxymorons",
        "English terms with non-redundant non-automated sortkeys",
        "en:Musical instruments"
      ],
      "glosses": [
        "A baby grand piano."
      ],
      "links": [
        [
          "baby grand piano",
          "baby grand piano"
        ]
      ]
    }
  ],
  "word": "baby grand"
}