"barbillas" meaning in Espagnol

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en espagnol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Espagnol",
      "orig": "espagnol",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Espagnol",
  "lang_code": "es",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en espagnol de l’anatomie",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "barbilla"
        }
      ],
      "glosses": [
        "Pluriel de barbilla."
      ],
      "id": "fr-barbillas-es-noun-pSmdSwTR",
      "topics": [
        "anatomy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\baɾˈβi.ʎas\\"
    },
    {
      "ipa": "\\baɾˈβi.ʝas\\"
    }
  ],
  "synonyms": [
    {
      "word": "mentones"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "barbillas"
}

{
  "categories": [
    "Formes de noms communs en espagnol",
    "espagnol"
  ],
  "lang": "Espagnol",
  "lang_code": "es",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en espagnol de l’anatomie"
      ],
      "form_of": [
        {
          "word": "barbilla"
        }
      ],
      "glosses": [
        "Pluriel de barbilla."
      ],
      "topics": [
        "anatomy"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\baɾˈβi.ʎas\\"
    },
    {
      "ipa": "\\baɾˈβi.ʝas\\"
    }
  ],
  "synonyms": [
    {
      "word": "mentones"
    }
  ],
  "tags": [
    "feminine",
    "form-of"
  ],
  "word": "barbillas"
}