"decennium" meaning in English

{
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        "1": "en",
        "2": "la",
        "3": "decennium"
      },
      "expansion": "Latin decennium",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "decennial",
        "3": "ium"
      },
      "expansion": "decennial + -ium",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Latin decennium, from decennis (“10-year”) + -ium (suffix forming abstract nouns), from deciēs (“ten times”) + annus (“year”) + -is (suffix forming compound adjectives). Equivalent to decennial + -ium.",
  "forms": [
    {
      "form": "decenniums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "decennia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
        "1": "s",
        "2": "decennia"
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      "expansion": "decennium (plural decenniums or decennia)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with dec-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -ium",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Pages with 7 entries",
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Ten",
          "orig": "en:Ten",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Time",
          "orig": "en:Time",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "decennal"
        },
        {
          "word": "decenniad"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              159,
              168
            ]
          ],
          "ref": "1998, soc.culture.netherlands (Usenet):",
          "text": "G.B. still has to cope with the heritage of approx. 20 years of consecutive Conservative reigns, just as you guys are getting your act together after almost a decennium of Enlightened Ronnie.",
          "type": "quotation"
        },
        {
          "bold_text_offsets": [
            [
              158,
              167
            ]
          ],
          "ref": "1996, soc.culture.usa (Usenet):",
          "text": "Christian leaders refused even to *look* through Galileo's telescope (as a matter of fact, the Vatican cleared Galileo's name only as late as in the previous decennium).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of decade: a ten year period."
      ],
      "id": "en-decennium-en-noun-Jj7EHhZQ",
      "links": [
        [
          "decade",
          "decade#English"
        ],
        [
          "ten",
          "ten"
        ],
        [
          "year",
          "year"
        ],
        [
          "period",
          "period"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of decade: a ten year period."
      ],
      "related": [
        {
          "tags": [
            "adjective"
          ],
          "word": "decennial"
        },
        {
          "tags": [
            "adverb"
          ],
          "word": "decennially"
        },
        {
          "sense": "10-year anniversary",
          "word": "decennial"
        }
      ],
      "synonyms": [
        {
          "extra": "a ten year period",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "decade"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dɪˈsɛnɪəm/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "decennium"
}

{
  "derived": [
    {
      "word": "decennal"
    },
    {
      "word": "decenniad"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
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        "3": "decennium"
      },
      "expansion": "Latin decennium",
      "name": "bor"
    },
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      "args": {
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        "2": "decennial",
        "3": "ium"
      },
      "expansion": "decennial + -ium",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Latin decennium, from decennis (“10-year”) + -ium (suffix forming abstract nouns), from deciēs (“ten times”) + annus (“year”) + -is (suffix forming compound adjectives). Equivalent to decennial + -ium.",
  "forms": [
    {
      "form": "decenniums",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "decennia",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "tags": [
        "adjective"
      ],
      "word": "decennial"
    },
    {
      "tags": [
        "adverb"
      ],
      "word": "decennially"
    },
    {
      "sense": "10-year anniversary",
      "word": "decennial"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms borrowed from Latin",
        "English terms derived from Latin",
        "English terms prefixed with dec-",
        "English terms suffixed with -ium",
        "English terms with quotations",
        "English terms with rare senses",
        "Pages with 7 entries",
        "Pages with entries",
        "en:Ten",
        "en:Time"
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              159,
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          "ref": "1998, soc.culture.netherlands (Usenet):",
          "text": "G.B. still has to cope with the heritage of approx. 20 years of consecutive Conservative reigns, just as you guys are getting your act together after almost a decennium of Enlightened Ronnie.",
          "type": "quotation"
        },
        {
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              158,
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          ],
          "ref": "1996, soc.culture.usa (Usenet):",
          "text": "Christian leaders refused even to *look* through Galileo's telescope (as a matter of fact, the Vatican cleared Galileo's name only as late as in the previous decennium).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of decade: a ten year period."
      ],
      "links": [
        [
          "decade",
          "decade#English"
        ],
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          "ten",
          "ten"
        ],
        [
          "year",
          "year"
        ],
        [
          "period",
          "period"
        ]
      ],
      "raw_glosses": [
        "(rare) Synonym of decade: a ten year period."
      ],
      "synonyms": [
        {
          "extra": "a ten year period",
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "decade"
        }
      ],
      "tags": [
        "rare"
      ]
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  ],
  "sounds": [
    {
      "ipa": "/dɪˈsɛnɪəm/",
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "decennium"
}