"rcu" meaning in All languages combined

{
  "head_templates": [
    {
      "args": {
        "1": "maq",
        "2": "noun"
      },
      "expansion": "rcu",
      "name": "head"
    }
  ],
  "lang": "Chiquihuitlán Mazatec",
  "lang_code": "maq",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chiquihuitlán Mazatec entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "maq",
          "name": "Anatomy",
          "orig": "maq:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "head"
      ],
      "id": "en-rcu-maq-noun-ny5tM6Nx",
      "links": [
        [
          "head",
          "head"
        ]
      ]
    }
  ],
  "word": "rcu"
}

{
  "head_templates": [
    {
      "args": {
        "1": "maq",
        "2": "noun"
      },
      "expansion": "rcu",
      "name": "head"
    }
  ],
  "lang": "Chiquihuitlán Mazatec",
  "lang_code": "maq",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Chiquihuitlán Mazatec entries with incorrect language header",
        "Chiquihuitlán Mazatec lemmas",
        "Chiquihuitlán Mazatec nouns",
        "maq:Anatomy"
      ],
      "glosses": [
        "head"
      ],
      "links": [
        [
          "head",
          "head"
        ]
      ]
    }
  ],
  "word": "rcu"
}