"acaciarum" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "acācia",
        "3": "-ārum",
        "nocat": "1"
      },
      "expansion": "acācia + -ārum",
      "name": "affix"
    }
  ],
  "etymology_text": "Regular first declension inflection acācia + -ārum.",
  "forms": [
    {
      "form": "acāciārum",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "noun form",
        "g": "f",
        "head": "acāciārum"
      },
      "expansion": "acāciārum f",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "acācia"
        }
      ],
      "glosses": [
        "genitive plural of acācia"
      ],
      "id": "en-acaciarum-la-noun-ni4z02Pw",
      "links": [
        [
          "acācia",
          "acacia#Latin"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a.kaː.kiˈaː.rum/",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[äkäːkiˈäːrʊ̃ˑ]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "/a.ka.t͡ʃiˈa.rum/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[äkät͡ʃiˈäːrum]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "acaciarum"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "acācia",
        "3": "-ārum",
        "nocat": "1"
      },
      "expansion": "acācia + -ārum",
      "name": "affix"
    }
  ],
  "etymology_text": "Regular first declension inflection acācia + -ārum.",
  "forms": [
    {
      "form": "acāciārum",
      "tags": [
        "canonical",
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "noun form",
        "g": "f",
        "head": "acāciārum"
      },
      "expansion": "acāciārum f",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Latin 5-syllable words",
        "Latin entries with incorrect language header",
        "Latin non-lemma forms",
        "Latin noun forms",
        "Latin terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "word": "acācia"
        }
      ],
      "glosses": [
        "genitive plural of acācia"
      ],
      "links": [
        [
          "acācia",
          "acacia#Latin"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/a.kaː.kiˈaː.rum/",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "[äkäːkiˈäːrʊ̃ˑ]",
      "tags": [
        "Classical-Latin"
      ]
    },
    {
      "ipa": "/a.ka.t͡ʃiˈa.rum/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[äkät͡ʃiˈäːrum]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "acaciarum"
}