"真珠母" meaning in Japanese

{
  "forms": [
    {
      "form": "真珠母",
      "ruby": [
        [
          "真",
          "しん"
        ],
        [
          "珠",
          "じゅ"
        ],
        [
          "母",
          "ぼ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinjubo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "眞珠母",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんじゅぼ"
      },
      "expansion": "真(しん)珠(じゅ)母(ぼ) • (shinjubo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "mother-of-pearl, nacre"
      ],
      "id": "en-真珠母-ja-noun-nfH6VuX7",
      "links": [
        [
          "mother-of-pearl",
          "mother-of-pearl"
        ],
        [
          "nacre",
          "nacre"
        ]
      ],
      "related": [
        {
          "word": "真珠"
        },
        {
          "word": "真珠層"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕĩɲ̟d͡ʑɨbo̞]"
    }
  ],
  "word": "真珠母"
}

{
  "forms": [
    {
      "form": "真珠母",
      "ruby": [
        [
          "真",
          "しん"
        ],
        [
          "珠",
          "じゅ"
        ],
        [
          "母",
          "ぼ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "shinjubo",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "眞珠母",
      "tags": [
        "alternative",
        "kanji",
        "kyūjitai"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "しんじゅぼ"
      },
      "expansion": "真(しん)珠(じゅ)母(ぼ) • (shinjubo)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "word": "真珠"
    },
    {
      "word": "真珠層"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms read with on'yomi",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms spelled with 母 read as ぼ",
        "Japanese terms spelled with 珠 read as しゅ",
        "Japanese terms spelled with 真 read as しん",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with IPA pronunciation missing pitch accent",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "mother-of-pearl, nacre"
      ],
      "links": [
        [
          "mother-of-pearl",
          "mother-of-pearl"
        ],
        [
          "nacre",
          "nacre"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ɕĩɲ̟d͡ʑɨbo̞]"
    }
  ],
  "word": "真珠母"
}