"o.s." meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "o.s.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "old series"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of old series."
      ],
      "id": "en-o.s.-en-noun-Zfl3hG04",
      "links": [
        [
          "old",
          "old#English"
        ],
        [
          "series",
          "series#English"
        ]
      ],
      "raw_glosses": [
        "(in bibliographies) Initialism of old series."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "in bibliographies",
        "initialism"
      ]
    }
  ],
  "word": "o.s."
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "pronoun"
      },
      "expansion": "o.s.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oneself"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Grammar",
          "orig": "en:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Lexicography",
          "orig": "en:Lexicography",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "6 94",
          "kind": "other",
          "name": "English pronouns",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of oneself."
      ],
      "id": "en-o.s.-en-pron-rlGsxOh9",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "lexicography",
          "lexicography"
        ],
        [
          "oneself",
          "oneself#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly grammar and lexicography) Initialism of oneself."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "lexicography",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "o.s."
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English pronouns",
    "English terms spelled with ."
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "o.s.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "old series"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of old series."
      ],
      "links": [
        [
          "old",
          "old#English"
        ],
        [
          "series",
          "series#English"
        ]
      ],
      "raw_glosses": [
        "(in bibliographies) Initialism of old series."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "in bibliographies",
        "initialism"
      ]
    }
  ],
  "word": "o.s."
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English pronouns",
    "English terms spelled with ."
  ],
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "pronoun"
      },
      "expansion": "o.s.",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "pron",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oneself"
        }
      ],
      "categories": [
        "English initialisms",
        "English links with redundant wikilinks",
        "en:Grammar",
        "en:Lexicography"
      ],
      "glosses": [
        "Initialism of oneself."
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "lexicography",
          "lexicography"
        ],
        [
          "oneself",
          "oneself#English"
        ]
      ],
      "raw_glosses": [
        "(chiefly grammar and lexicography) Initialism of oneself."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "lexicography",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "o.s."
}