"母語" meaning in Giapponese

{
  "categories": [
    {
      "kind": "other",
      "name": "Sostantivi in giapponese",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Giapponese",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "madre lingua"
      ],
      "id": "it-母語-ja-noun-xiigMhbs"
    },
    {
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              5
            ]
          ],
          "text": "英語を母語として話す人。"
        },
        {
          "bold_text_offsets": [
            [
              4,
              6
            ]
          ],
          "bold_translation_offsets": [
            [
              3,
              14
            ]
          ],
          "text": "えいごをぼごとしてはなすひと。",
          "translation": "un madrelingua Inglese"
        }
      ],
      "glosses": [
        "prima lingua"
      ],
      "id": "it-母語-ja-noun--Skf1Adz"
    }
  ],
  "tags": [
    "Rōmaji",
    "hiragana"
  ],
  "word": "母語"
}

{
  "categories": [
    "Sostantivi in giapponese"
  ],
  "lang": "Giapponese",
  "lang_code": "ja",
  "pos": "noun",
  "pos_title": "Sostantivo",
  "senses": [
    {
      "glosses": [
        "madre lingua"
      ]
    },
    {
      "examples": [
        {
          "bold_text_offsets": [
            [
              3,
              5
            ]
          ],
          "text": "英語を母語として話す人。"
        },
        {
          "bold_text_offsets": [
            [
              4,
              6
            ]
          ],
          "bold_translation_offsets": [
            [
              3,
              14
            ]
          ],
          "text": "えいごをぼごとしてはなすひと。",
          "translation": "un madrelingua Inglese"
        }
      ],
      "glosses": [
        "prima lingua"
      ]
    }
  ],
  "tags": [
    "Rōmaji",
    "hiragana"
  ],
  "word": "母語"
}