"nautilite triangulaire du Havre" meaning in French

{
  "forms": [
    {
      "form": "nautilites triangulaires du Havre",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "nautilite triangulaire du Havre f (plural nautilites triangulaires du Havre)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "fr",
          "name": "Gastropods",
          "orig": "fr:Gastropods",
          "parents": [
            "Mollusks",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Angulithes mermeti"
      ],
      "id": "en-nautilite_triangulaire_du_Havre-fr-noun-xE-csbWX",
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/no.ti.lit tʁi.jɑ̃.ɡy.lɛʁ dy avʁ/"
    }
  ],
  "word": "nautilite triangulaire du Havre"
}

{
  "forms": [
    {
      "form": "nautilites triangulaires du Havre",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "nautilite triangulaire du Havre f (plural nautilites triangulaires du Havre)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Entries using missing taxonomic name (species)",
        "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",
        "Pages with entries",
        "fr:Gastropods"
      ],
      "glosses": [
        "Angulithes mermeti"
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/no.ti.lit tʁi.jɑ̃.ɡy.lɛʁ dy avʁ/"
    }
  ],
  "word": "nautilite triangulaire du Havre"
}