"éristale" meaning in French

{
  "forms": [
    {
      "form": "éristales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mf"
      },
      "expansion": "éristale m or f (plural éristales)",
      "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"
        }
      ],
      "glosses": [
        "Any of various insects of the genus Eristalis."
      ],
      "id": "en-éristale-fr-noun-xqN2RJCF",
      "links": [
        [
          "Eristalis",
          "Eristalis#Translingual"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "éristale"
}

{
  "forms": [
    {
      "form": "éristales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mf"
      },
      "expansion": "éristale m or f (plural éristales)",
      "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 masculine nouns",
        "French nouns",
        "French nouns with multiple genders",
        "French nouns with red links in their headword lines",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "Any of various insects of the genus Eristalis."
      ],
      "links": [
        [
          "Eristalis",
          "Eristalis#Translingual"
        ]
      ],
      "tags": [
        "feminine",
        "masculine"
      ]
    }
  ],
  "word": "éristale"
}