"houarnek" meaning in Breton

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Breton",
      "orig": "breton",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "houarneg"
    }
  ],
  "etymology_texts": [
    "→ voir houarn et -ek.",
    "À comparer avec l'adjectif cornique hornek (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "raw_tags": [
        "orthographe interdialectale"
      ],
      "word": "houarneg"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en breton de la chimie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ferreux."
      ],
      "id": "fr-houarnek-br-adj-1T~5gyjo",
      "topics": [
        "chemistry"
      ]
    },
    {
      "glosses": [
        "Ferrugineux."
      ],
      "id": "fr-houarnek-br-adj-RuxFrR6L"
    }
  ],
  "word": "houarnek"
}

{
  "categories": [
    "Adjectifs en breton",
    "breton"
  ],
  "derived": [
    {
      "word": "houarneg"
    }
  ],
  "etymology_texts": [
    "→ voir houarn et -ek.",
    "À comparer avec l'adjectif cornique hornek (sens identique)."
  ],
  "lang": "Breton",
  "lang_code": "br",
  "pos": "adj",
  "pos_title": "Adjectif",
  "related": [
    {
      "raw_tags": [
        "orthographe interdialectale"
      ],
      "word": "houarneg"
    }
  ],
  "senses": [
    {
      "categories": [
        "Lexique en breton de la chimie"
      ],
      "glosses": [
        "Ferreux."
      ],
      "topics": [
        "chemistry"
      ]
    },
    {
      "glosses": [
        "Ferrugineux."
      ]
    }
  ],
  "word": "houarnek"
}