"mourances" meaning in Français

{
  "anagrams": [
    {
      "word": "consumera"
    },
    {
      "word": "cornemusa"
    },
    {
      "word": "crounâmes"
    },
    {
      "word": "encroumas"
    },
    {
      "word": "numéro CAS"
    },
    {
      "word": "reconsuma"
    }
  ],
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "mourance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Vladimir André Céjovic, Les fêlures sauvages, 2003",
          "text": "Par les allées chenues qui cachent les pudeurs oubliées du monde où reposent les âmes indiciblement perdues gisent les âpres veillées des espérances humaines que la mort contemple derrière les étendues aux mourances amères."
        }
      ],
      "form_of": [
        {
          "word": "mourance"
        }
      ],
      "glosses": [
        "Pluriel de mourance."
      ],
      "id": "fr-mourances-fr-noun-T1eh~yzy"
    }
  ],
  "sounds": [
    {
      "ipa": "\\mu.ʁɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "mourances"
}

{
  "anagrams": [
    {
      "word": "consumera"
    },
    {
      "word": "cornemusa"
    },
    {
      "word": "crounâmes"
    },
    {
      "word": "encroumas"
    },
    {
      "word": "numéro CAS"
    },
    {
      "word": "reconsuma"
    }
  ],
  "categories": [
    "Formes de noms communs en français",
    "français"
  ],
  "forms": [
    {
      "form": "mourance",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "Vladimir André Céjovic, Les fêlures sauvages, 2003",
          "text": "Par les allées chenues qui cachent les pudeurs oubliées du monde où reposent les âmes indiciblement perdues gisent les âpres veillées des espérances humaines que la mort contemple derrière les étendues aux mourances amères."
        }
      ],
      "form_of": [
        {
          "word": "mourance"
        }
      ],
      "glosses": [
        "Pluriel de mourance."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mu.ʁɑ̃s\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "mourances"
}