"0th" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "0th (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "zeroth"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "English ordinal numbers",
          "parents": [
            "Ordinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Greek terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of zeroth."
      ],
      "id": "en-0th-en-adj-iqN52lu6",
      "links": [
        [
          "zeroth",
          "zeroth#English"
        ]
      ],
      "related": [
        {
          "word": "number"
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "not-comparable"
      ],
      "translations": [
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "abbreviation of zeroth",
          "tags": [
            "masculine"
          ],
          "word": "0e"
        },
        {
          "code": "eo",
          "lang": "Esperanto",
          "sense": "abbreviation of zeroth",
          "word": "0-a"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "abbreviation of zeroth",
          "word": "0."
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "0ós",
          "sense": "abbreviation of zeroth",
          "word": "0ός"
        },
        {
          "code": "is",
          "lang": "Icelandic",
          "sense": "abbreviation of zeroth",
          "word": "0."
        },
        {
          "code": "ms",
          "lang": "Malay",
          "sense": "abbreviation of zeroth",
          "word": "ke-0"
        },
        {
          "code": "no",
          "lang": "Norwegian",
          "sense": "abbreviation of zeroth",
          "word": "0."
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "0-oj",
          "sense": "abbreviation of zeroth",
          "word": "0-ой"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "abbreviation of zeroth",
          "word": "0.º"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "abbreviation of zeroth",
          "word": "0:te"
        },
        {
          "code": "tr",
          "lang": "Turkish",
          "sense": "abbreviation of zeroth",
          "word": "0'ıncı"
        }
      ]
    }
  ],
  "word": "0th"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "0th (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "number"
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "word": "zeroth"
        }
      ],
      "categories": [
        "English abbreviations",
        "English adjectives",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English ordinal numbers",
        "English terms spelled with numbers",
        "English uncomparable adjectives",
        "English words without vowels",
        "Greek terms with redundant script codes"
      ],
      "glosses": [
        "Abbreviation of zeroth."
      ],
      "links": [
        [
          "zeroth",
          "zeroth#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "abbreviation of zeroth",
      "tags": [
        "masculine"
      ],
      "word": "0e"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "abbreviation of zeroth",
      "word": "0-a"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "abbreviation of zeroth",
      "word": "0."
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "0ós",
      "sense": "abbreviation of zeroth",
      "word": "0ός"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "abbreviation of zeroth",
      "word": "0."
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "abbreviation of zeroth",
      "word": "ke-0"
    },
    {
      "code": "no",
      "lang": "Norwegian",
      "sense": "abbreviation of zeroth",
      "word": "0."
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "0-oj",
      "sense": "abbreviation of zeroth",
      "word": "0-ой"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "abbreviation of zeroth",
      "word": "0.º"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "abbreviation of zeroth",
      "word": "0:te"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "abbreviation of zeroth",
      "word": "0'ıncı"
    }
  ],
  "word": "0th"
}