"a." meaning in Lithuanian

{
  "head_templates": [
    {
      "args": {
        "1": "lt",
        "2": "noun"
      },
      "expansion": "a.",
      "name": "head"
    }
  ],
  "lang": "Lithuanian",
  "lang_code": "lt",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "century",
          "word": "amžius"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Lithuanian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 7 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of amžius (“century”)."
      ],
      "id": "en-a.-lt-noun-rUZq3zs4",
      "links": [
        [
          "amžius",
          "amžius#Lithuanian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈaːmʲʒʲʊs]"
    }
  ],
  "word": "a."
}

{
  "head_templates": [
    {
      "args": {
        "1": "lt",
        "2": "noun"
      },
      "expansion": "a.",
      "name": "head"
    }
  ],
  "lang": "Lithuanian",
  "lang_code": "lt",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "century",
          "word": "amžius"
        }
      ],
      "categories": [
        "Lithuanian abbreviations",
        "Lithuanian entries with incorrect language header",
        "Lithuanian lemmas",
        "Lithuanian nouns",
        "Lithuanian terms spelled with .",
        "Pages with 7 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Abbreviation of amžius (“century”)."
      ],
      "links": [
        [
          "amžius",
          "amžius#Lithuanian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈaːmʲʒʲʊs]"
    }
  ],
  "word": "a."
}