"morena" meaning in Occitan

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en occitan issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en occitan issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en occitan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan en graphie normalisée",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Occitan",
      "orig": "occitan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin muraena (« anguille, lamproie »), lui-même issu du grec ancien σμύραινα (« anguille »)."
  ],
  "forms": [
    {
      "form": "morenas",
      "ipas": [
        "\\mu.ˈɾe.no̯s\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Poissons en occitan",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Murène."
      ],
      "id": "fr-morena-oc-noun-mZ2Mxy7B",
      "topics": [
        "ichthyology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mu.ˈɾe.no̯\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "morena"
}

{
  "categories": [
    "Mots en occitan issus d’un mot en grec ancien",
    "Mots en occitan issus d’un mot en latin",
    "Noms communs en occitan",
    "Occitan en graphie normalisée",
    "occitan"
  ],
  "etymology_texts": [
    "Du latin muraena (« anguille, lamproie »), lui-même issu du grec ancien σμύραινα (« anguille »)."
  ],
  "forms": [
    {
      "form": "morenas",
      "ipas": [
        "\\mu.ˈɾe.no̯s\\"
      ],
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "graphie normalisée"
  ],
  "senses": [
    {
      "categories": [
        "Poissons en occitan"
      ],
      "glosses": [
        "Murène."
      ],
      "topics": [
        "ichthyology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\mu.ˈɾe.no̯\\"
    }
  ],
  "tags": [
    "feminine"
  ],
  "word": "morena"
}