"st." meaning in Czech

{
  "head_templates": [
    {
      "args": {},
      "expansion": "st.",
      "name": "cs-adj"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(“Senior”, “[the] Elder”): Sr",
          "word": "starší"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Alexandr Skalický st.\nAlexandr Skalický Sr.",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of starší (“Senior”, “[the] Elder”): Sr."
      ],
      "id": "en-st.-cs-adj-hXhxHafH",
      "links": [
        [
          "starší",
          "starší#Czech"
        ],
        [
          "Sr.",
          "Sr.#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "st."
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "st.",
      "name": "cs-adj"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(“Senior”, “[the] Elder”): Sr",
          "word": "starší"
        }
      ],
      "categories": [
        "Czech abbreviations",
        "Czech adjectives",
        "Czech entries with incorrect language header",
        "Czech lemmas",
        "Czech terms spelled with .",
        "Czech terms with usage examples",
        "Czech words without vowels"
      ],
      "examples": [
        {
          "text": "Alexandr Skalický st.\nAlexandr Skalický Sr.",
          "type": "example"
        }
      ],
      "glosses": [
        "Abbreviation of starší (“Senior”, “[the] Elder”): Sr."
      ],
      "links": [
        [
          "starší",
          "starší#Czech"
        ],
        [
          "Sr.",
          "Sr.#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "st."
}