"undervattensvulkan" meaning in Suédois

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Lemmes en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en suédois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suédois",
      "orig": "suédois",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de undervatten, -s- et vulkan."
  ],
  "forms": [
    {
      "form": "undervattensvulkanen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "undervattensvulkaner",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "undervattensvulkanerna",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Suédois",
  "lang_code": "sv",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en suédois de la géologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Volcan sous-marin."
      ],
      "id": "fr-undervattensvulkan-sv-noun-NQ7K31-q",
      "topics": [
        "geology"
      ]
    }
  ],
  "tags": [
    "common"
  ],
  "word": "undervattensvulkan"
}

{
  "categories": [
    "Compositions en suédois",
    "Lemmes en suédois",
    "Noms communs en suédois",
    "suédois"
  ],
  "etymology_texts": [
    "Composé de undervatten, -s- et vulkan."
  ],
  "forms": [
    {
      "form": "undervattensvulkanen",
      "tags": [
        "definite",
        "singular"
      ]
    },
    {
      "form": "undervattensvulkaner",
      "tags": [
        "indefinite",
        "plural"
      ]
    },
    {
      "form": "undervattensvulkanerna",
      "tags": [
        "definite",
        "plural"
      ]
    }
  ],
  "lang": "Suédois",
  "lang_code": "sv",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en suédois de la géologie"
      ],
      "glosses": [
        "Volcan sous-marin."
      ],
      "topics": [
        "geology"
      ]
    }
  ],
  "tags": [
    "common"
  ],
  "word": "undervattensvulkan"
}