"SSR" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Аббревиатуры/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Английский язык",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Слова из 3 букв/en",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Требуется категоризация/en",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "glosses": [
        "сокр. от Soviet Socialist Republic; ССР"
      ],
      "id": "ru-SSR-en-abbrev-~wgIfI-b"
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "Soviet Socialist Republic"
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "SSR"
}

{
  "categories": [
    "Аббревиатуры/en",
    "Английский язык",
    "Слова из 3 букв/en",
    "Требуется категоризация/en"
  ],
  "lang": "Английский",
  "lang_code": "en",
  "pos": "abbrev",
  "senses": [
    {
      "glosses": [
        "сокр. от Soviet Socialist Republic; ССР"
      ]
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "Soviet Socialist Republic"
    }
  ],
  "tags": [
    "abbreviation"
  ],
  "word": "SSR"
}