"quindecennial" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "quindecennialis"
      },
      "expansion": "Latin quindecennialis",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "quindec-",
        "3": "-ennial"
      },
      "expansion": "quindec- + -ennial",
      "name": "affix"
    }
  ],
  "etymology_text": "From Latin quindecennialis, from quindecennium (“15-year period”) + -alis (“-al: forming adjs”). Equivalent to quindec- + -ennial.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "quindecennial (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "_dis": "53 47",
          "kind": "topical",
          "langcode": "en",
          "name": "Fifteen",
          "orig": "en:Fifteen",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Lasting fifteen years."
      ],
      "id": "en-quindecennial-en-adj-AMncNmvx",
      "links": [
        [
          "fifteen",
          "fifteen"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "38 62",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "42 58",
          "kind": "other",
          "name": "English terms prefixed with quindec-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "English terms suffixed with -ennial",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "topical",
          "langcode": "en",
          "name": "Fifteen",
          "orig": "en:Fifteen",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Happening once in fifteen years."
      ],
      "id": "en-quindecennial-en-adj--i88OL9V",
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "quindecennial"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English terms derived from Latin",
    "English terms prefixed with quindec-",
    "English terms suffixed with -ennial",
    "English uncomparable adjectives",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Fifteen"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "la",
        "3": "quindecennialis"
      },
      "expansion": "Latin quindecennialis",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "quindec-",
        "3": "-ennial"
      },
      "expansion": "quindec- + -ennial",
      "name": "affix"
    }
  ],
  "etymology_text": "From Latin quindecennialis, from quindecennium (“15-year period”) + -alis (“-al: forming adjs”). Equivalent to quindec- + -ennial.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "quindecennial (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "Lasting fifteen years."
      ],
      "links": [
        [
          "fifteen",
          "fifteen"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "glosses": [
        "Happening once in fifteen years."
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "quindecennial"
}