"katal" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Unités de mesure en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Voir katal."
  ],
  "forms": [
    {
      "form": "katals",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en catalan de la biochimie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en catalan de la chimie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Katal."
      ],
      "id": "fr-katal-ca-noun-MBNe7rLb",
      "topics": [
        "biochemistry",
        "chemistry",
        "metrology"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "katal"
}

{
  "categories": [
    "Noms communs en catalan",
    "Unités de mesure en catalan",
    "catalan"
  ],
  "etymology_texts": [
    "Voir katal."
  ],
  "forms": [
    {
      "form": "katals",
      "tags": [
        "plural"
      ]
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en catalan de la biochimie",
        "Lexique en catalan de la chimie"
      ],
      "glosses": [
        "Katal."
      ],
      "topics": [
        "biochemistry",
        "chemistry",
        "metrology"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "katal"
}