"tridecennary" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tridecennary (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Thirteen",
          "orig": "en:Thirteen",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1856, William Robertson, The History of the Discovery and Settlement of America:",
          "text": "The order of days in every month was computed, according to him, first by what he calls a tridecennary progression of days from one to thirteen, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of or pertaining to the number thirteen"
      ],
      "id": "en-tridecennary-en-adj-J0fF6U~a",
      "links": [
        [
          "thirteen",
          "thirteen"
        ]
      ],
      "raw_glosses": [
        "(obsolete, rare) Of or pertaining to the number thirteen"
      ],
      "tags": [
        "not-comparable",
        "obsolete",
        "rare"
      ]
    }
  ],
  "word": "tridecennary"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "tridecennary (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms with obsolete senses",
        "English terms with quotations",
        "English terms with rare senses",
        "English uncomparable adjectives",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "en:Thirteen"
      ],
      "examples": [
        {
          "ref": "1856, William Robertson, The History of the Discovery and Settlement of America:",
          "text": "The order of days in every month was computed, according to him, first by what he calls a tridecennary progression of days from one to thirteen, […]",
          "type": "quote"
        }
      ],
      "glosses": [
        "Of or pertaining to the number thirteen"
      ],
      "links": [
        [
          "thirteen",
          "thirteen"
        ]
      ],
      "raw_glosses": [
        "(obsolete, rare) Of or pertaining to the number thirteen"
      ],
      "tags": [
        "not-comparable",
        "obsolete",
        "rare"
      ]
    }
  ],
  "word": "tridecennary"
}