"aigrettes blanches" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de locutions nominales en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "forms": [
    {
      "form": "aigrette blanche",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Société des études euro-asiatiques, Rita Régnier, Oiseaux: Héros et devins, 2008",
          "text": "Il existe cinq espèces d’aigrettes blanches, en Papouasie Nouvelle-Guinée, assez difficiles à distinguer; entre saoun abwan, Egretta alba, karaba saoun, Egretta ibis, Egretta intermedia, Egretta sacra, Egretta garzetta."
        }
      ],
      "form_of": [
        {
          "word": "aigrette blanche"
        }
      ],
      "glosses": [
        "Pluriel d’aigrette blanche."
      ],
      "id": "fr-aigrettes_blanches-fr-noun-PhK0BhNd"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛ.ɡʁɛt blɑ̃ʃ\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "aigrettes blanches"
}

{
  "categories": [
    "Formes de locutions nominales en français",
    "français"
  ],
  "forms": [
    {
      "form": "aigrette blanche",
      "tags": [
        "singular"
      ]
    }
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "noun",
  "pos_title": "Forme de locution nominale",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "ref": "Société des études euro-asiatiques, Rita Régnier, Oiseaux: Héros et devins, 2008",
          "text": "Il existe cinq espèces d’aigrettes blanches, en Papouasie Nouvelle-Guinée, assez difficiles à distinguer; entre saoun abwan, Egretta alba, karaba saoun, Egretta ibis, Egretta intermedia, Egretta sacra, Egretta garzetta."
        }
      ],
      "form_of": [
        {
          "word": "aigrette blanche"
        }
      ],
      "glosses": [
        "Pluriel d’aigrette blanche."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɛ.ɡʁɛt blɑ̃ʃ\\"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "aigrettes blanches"
}