"copr" meaning in Welsh

{
  "categories": [
    {
      "kind": "other",
      "name": "Woorden in het Welsh",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Zelfstandig naamwoord in het Welsh",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chemisch element_in_het_Welsh",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "koper"
      ],
      "id": "nl-copr-cy-noun-tSCDmGLx",
      "raw_tags": [
        "element"
      ]
    }
  ],
  "word": "copr"
}

{
  "categories": [
    "Woorden in het Welsh",
    "Zelfstandig naamwoord in het Welsh"
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "noun",
  "pos_title": "Zelfstandig naamwoord",
  "senses": [
    {
      "categories": [
        "Chemisch element_in_het_Welsh"
      ],
      "glosses": [
        "koper"
      ],
      "raw_tags": [
        "element"
      ]
    }
  ],
  "word": "copr"
}