"centennium" meaning in English

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    {
      "args": {
        "1": "en",
        "2": "LL.",
        "3": "centennium",
        "4": "",
        "5": "period of 100 years"
      },
      "expansion": "Late Latin centennium (“period of 100 years”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "la",
        "2": "centennis",
        "3": "",
        "4": "100-year"
      },
      "expansion": "centennis (“100-year”)",
      "name": "m"
    },
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      "args": {
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    {
      "args": {
        "1": "en",
        "2": "centennial"
      },
      "expansion": "centennial",
      "name": "m"
    }
  ],
  "etymology_text": "From Late Latin centennium (“period of 100 years”), from centennis (“100-year”) + -ium (“forming abstract nouns”). Cognate with centennial.",
  "forms": [
    {
      "form": "centennia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "centennia"
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      "expansion": "centennium (plural centennia)",
      "name": "en-noun"
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  ],
  "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"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Hundred",
          "orig": "en:Hundred",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Time",
          "orig": "en:Time",
          "parents": [
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "quincentennium"
        }
      ],
      "glosses": [
        "Synonym of century: A period of 100 years."
      ],
      "id": "en-centennium-en-noun-6JwAhtu0",
      "links": [
        [
          "century",
          "century#English"
        ],
        [
          "period",
          "period"
        ],
        [
          "year",
          "year"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of century: A period of 100 years."
      ],
      "synonyms": [
        {
          "extra": "A period of 100 years",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "century"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "centennium"
}

{
  "derived": [
    {
      "word": "quincentennium"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "LL.",
        "3": "centennium",
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        "5": "period of 100 years"
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      "expansion": "Late Latin centennium (“period of 100 years”)",
      "name": "bor"
    },
    {
      "args": {
        "1": "la",
        "2": "centennis",
        "3": "",
        "4": "100-year"
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      "expansion": "centennis (“100-year”)",
      "name": "m"
    },
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    {
      "args": {
        "1": "en",
        "2": "centennial"
      },
      "expansion": "centennial",
      "name": "m"
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  ],
  "etymology_text": "From Late Latin centennium (“period of 100 years”), from centennis (“100-year”) + -ium (“forming abstract nouns”). Cognate with centennial.",
  "forms": [
    {
      "form": "centennia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
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        "English terms borrowed from Late Latin",
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        "en:Hundred",
        "en:Time"
      ],
      "glosses": [
        "Synonym of century: A period of 100 years."
      ],
      "links": [
        [
          "century",
          "century#English"
        ],
        [
          "period",
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        ],
        [
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      ],
      "raw_glosses": [
        "(rare) Synonym of century: A period of 100 years."
      ],
      "synonyms": [
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      "tags": [
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  "word": "centennium"
}