"mar Groc" meaning in Catalan

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en catalan",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Catalan",
      "orig": "catalan",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "glosses": [
        "Mer Jaune."
      ],
      "id": "fr-mar_Groc-ca-name-905~VGTQ"
    }
  ],
  "synonyms": [
    {
      "word": "mar Groga"
    }
  ],
  "word": "mar Groc"
}

{
  "categories": [
    "Noms propres en catalan",
    "catalan"
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "glosses": [
        "Mer Jaune."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "mar Groga"
    }
  ],
  "word": "mar Groc"
}