"mère fondatrice" meaning in French

{
  "etymology_text": "By analogy with père fondateur.",
  "forms": [
    {
      "form": "mères fondatrices",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "père fondateur",
      "tags": [
        "masculine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "m": "père fondateur"
      },
      "expansion": "mère fondatrice f (plural mères fondatrices, masculine père fondateur)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "founding mother (woman who founded something)"
      ],
      "id": "en-mère_fondatrice-fr-noun-Hpv9XXAJ",
      "links": [
        [
          "founding mother",
          "founding mother"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ fɔ̃.da.tʁis/"
    }
  ],
  "word": "mère fondatrice"
}

{
  "etymology_text": "By analogy with père fondateur.",
  "forms": [
    {
      "form": "mères fondatrices",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "père fondateur",
      "tags": [
        "masculine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f",
        "m": "père fondateur"
      },
      "expansion": "mère fondatrice f (plural mères fondatrices, masculine père fondateur)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French feminine nouns",
        "French lemmas",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "French terms with IPA pronunciation",
        "Pages with 1 entry"
      ],
      "glosses": [
        "founding mother (woman who founded something)"
      ],
      "links": [
        [
          "founding mother",
          "founding mother"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/mɛʁ fɔ̃.da.tʁis/"
    }
  ],
  "word": "mère fondatrice"
}