"ед. ч." meaning in Russian

{
  "forms": [
    {
      "form": "jed. č.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "ед. ч. • (jed. č.) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "jedínstvennoje čisló, “singular number”",
          "word": "еди́нственное число́"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Grammar",
          "orig": "ru:Grammar",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "abbreviation of еди́нственное число́ (jedínstvennoje čisló, “singular number”)"
      ],
      "id": "en-ед._ч.-ru-noun-ELzcI9sh",
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "еди́нственное число́",
          "единственное число#Russian"
        ],
        [
          "singular",
          "singular"
        ],
        [
          "number",
          "number"
        ]
      ],
      "raw_glosses": [
        "(grammar) abbreviation of еди́нственное число́ (jedínstvennoje čisló, “singular number”)"
      ],
      "related": [
        {
          "roman": "mn. č.",
          "word": "мн. ч."
        }
      ],
      "synonyms": [
        {
          "roman": "jed.č.",
          "word": "ед.ч."
        }
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "indeclinable"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "word": "ед. ч."
}

{
  "forms": [
    {
      "form": "jed. č.",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "n-in",
        "3": "-"
      },
      "expansion": "ед. ч. • (jed. č.) n inan (indeclinable)",
      "name": "ru-noun"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "related": [
    {
      "roman": "mn. č.",
      "word": "мн. ч."
    }
  ],
  "senses": [
    {
      "alt_of": [
        {
          "extra": "jedínstvennoje čisló, “singular number”",
          "word": "еди́нственное число́"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian abbreviations",
        "Russian entries with incorrect language header",
        "Russian inanimate nouns",
        "Russian indeclinable nouns",
        "Russian lemmas",
        "Russian multiword terms",
        "Russian neuter nouns",
        "Russian nouns",
        "Russian terms spelled with .",
        "ru:Grammar"
      ],
      "glosses": [
        "abbreviation of еди́нственное число́ (jedínstvennoje čisló, “singular number”)"
      ],
      "links": [
        [
          "grammar",
          "grammar"
        ],
        [
          "еди́нственное число́",
          "единственное число#Russian"
        ],
        [
          "singular",
          "singular"
        ],
        [
          "number",
          "number"
        ]
      ],
      "raw_glosses": [
        "(grammar) abbreviation of еди́нственное число́ (jedínstvennoje čisló, “singular number”)"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "indeclinable"
      ],
      "topics": [
        "grammar",
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "roman": "jed.č.",
      "word": "ед.ч."
    }
  ],
  "word": "ед. ч."
}