"練乳" meaning in Japanese

{
  "forms": [
    {
      "form": "練乳",
      "ruby": [
        [
          "練",
          "れん"
        ],
        [
          "乳",
          "にゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rennyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "れんにゅう"
      },
      "expansion": "練(れん)乳(にゅう) • (rennyū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "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": "ja",
          "name": "Milk",
          "orig": "ja:Milk",
          "parents": [
            "Beverages",
            "Bodily fluids",
            "Dairy products",
            "Drinking",
            "Food and drink",
            "Liquids",
            "Body parts",
            "Human behaviour",
            "All topics",
            "Matter",
            "Body",
            "Anatomy",
            "Human",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Biology",
            "Medicine",
            "Sciences",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "condensed milk"
      ],
      "id": "en-練乳-ja-noun-TYGiIkr2",
      "links": [
        [
          "condensed milk",
          "condensed milk"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾẽ̞ɲ̟ːɨː]"
    }
  ],
  "word": "練乳"
}

{
  "forms": [
    {
      "form": "練乳",
      "ruby": [
        [
          "練",
          "れん"
        ],
        [
          "乳",
          "にゅう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rennyū",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "れんにゅう"
      },
      "expansion": "練(れん)乳(にゅう) • (rennyū)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with sixth grade kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "ja:Milk"
      ],
      "glosses": [
        "condensed milk"
      ],
      "links": [
        [
          "condensed milk",
          "condensed milk"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɾẽ̞ɲ̟ːɨː]"
    }
  ],
  "word": "練乳"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "練乳"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "練乳",
  "trace": ""
}