"quaternarum" meaning in Latin

{
  "forms": [
    {
      "form": "quaternārum",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "numeral form",
        "head": "quaternārum"
      },
      "expansion": "quaternārum",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "quaternus"
        }
      ],
      "glosses": [
        "genitive feminine plural of quaternus"
      ],
      "id": "en-quaternarum-la-num-6XwbQ1-Y",
      "links": [
        [
          "quaternus",
          "quaternus#Latin"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "genitive",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʷa.terˈnaː.rum/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[kʷät̪ɛrˈnäːrʊ̃ˑ]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/kwa.terˈna.rum/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[kwät̪erˈnäːrum]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "quaternarum"
}

{
  "forms": [
    {
      "form": "quaternārum",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "numeral form",
        "head": "quaternārum"
      },
      "expansion": "quaternārum",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Latin 4-syllable words",
        "Latin entries with incorrect language header",
        "Latin non-lemma forms",
        "Latin numeral forms",
        "Latin terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "quaternus"
        }
      ],
      "glosses": [
        "genitive feminine plural of quaternus"
      ],
      "links": [
        [
          "quaternus",
          "quaternus#Latin"
        ]
      ],
      "tags": [
        "feminine",
        "form-of",
        "genitive",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kʷa.terˈnaː.rum/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[kʷät̪ɛrˈnäːrʊ̃ˑ]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/kwa.terˈna.rum/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[kwät̪erˈnäːrum]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "quaternarum"
}