"poisson-vipère" meaning in French

{
  "forms": [
    {
      "form": "poissons-vipères",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "poissons-vipères"
      },
      "expansion": "poisson-vipère m (plural poissons-vipères)",
      "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": "Fish",
          "orig": "fr:Fish",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "viperfish"
      ],
      "id": "en-poisson-vipère-fr-noun-7aC9U4cK",
      "links": [
        [
          "viperfish",
          "viperfish"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "fr:poisson-vipère"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pwa.sɔ̃.vi.pɛʁ/"
    }
  ],
  "word": "poisson-vipère"
}

{
  "forms": [
    {
      "form": "poissons-vipères",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "poissons-vipères"
      },
      "expansion": "poisson-vipère m (plural poissons-vipères)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French 4-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "fr:Fish"
      ],
      "glosses": [
        "viperfish"
      ],
      "links": [
        [
          "viperfish",
          "viperfish"
        ]
      ],
      "tags": [
        "masculine"
      ],
      "wikipedia": [
        "fr:poisson-vipère"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pwa.sɔ̃.vi.pɛʁ/"
    }
  ],
  "word": "poisson-vipère"
}