"topolom" meaning in Serbo-Croatian

{
  "forms": [
    {
      "form": "тополом",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "topolom (Cyrillic spelling тополом)",
      "name": "sh-noun-form"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Serbo-Croatian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "topola"
        }
      ],
      "glosses": [
        "instrumental singular of topola"
      ],
      "id": "en-topolom-sh-noun-nxNOuKNY",
      "links": [
        [
          "topola",
          "topola#Serbo-Croatian"
        ]
      ],
      "tags": [
        "form-of",
        "instrumental",
        "singular"
      ]
    }
  ],
  "word": "topolom"
}

{
  "forms": [
    {
      "form": "тополом",
      "tags": [
        "Cyrillic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "topolom (Cyrillic spelling тополом)",
      "name": "sh-noun-form"
    }
  ],
  "lang": "Serbo-Croatian",
  "lang_code": "sh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 2 entries",
        "Serbo-Croatian entries with incorrect language header",
        "Serbo-Croatian non-lemma forms",
        "Serbo-Croatian noun forms"
      ],
      "form_of": [
        {
          "word": "topola"
        }
      ],
      "glosses": [
        "instrumental singular of topola"
      ],
      "links": [
        [
          "topola",
          "topola#Serbo-Croatian"
        ]
      ],
      "tags": [
        "form-of",
        "instrumental",
        "singular"
      ]
    }
  ],
  "word": "topolom"
}