"polyonymy" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πολύς",
        "4": "",
        "5": "many, much"
      },
      "expansion": "Ancient Greek πολύς (polús, “many, much”)",
      "name": "uder"
    },
    {
      "args": {
        "1": "grc",
        "2": "ὄνομα",
        "3": "",
        "4": "name"
      },
      "expansion": "ὄνομα (ónoma, “name”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek πολύς (polús, “many, much”) and ὄνομα (ónoma, “name”).",
  "forms": [
    {
      "form": "polyonymies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "polyonymy (usually uncountable, plural polyonymies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The use of many names for the same thing or person."
      ],
      "id": "en-polyonymy-en-noun-3SHkRbue",
      "related": [
        {
          "word": "polyonymous"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "polyonymy"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πολύς",
        "4": "",
        "5": "many, much"
      },
      "expansion": "Ancient Greek πολύς (polús, “many, much”)",
      "name": "uder"
    },
    {
      "args": {
        "1": "grc",
        "2": "ὄνομα",
        "3": "",
        "4": "name"
      },
      "expansion": "ὄνομα (ónoma, “name”)",
      "name": "m"
    }
  ],
  "etymology_text": "From Ancient Greek πολύς (polús, “many, much”) and ὄνομα (ónoma, “name”).",
  "forms": [
    {
      "form": "polyonymies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "polyonymy (usually uncountable, plural polyonymies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "polyonymous"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ancient Greek",
        "English uncountable nouns",
        "English undefined derivations"
      ],
      "glosses": [
        "The use of many names for the same thing or person."
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "polyonymy"
}