"бейся" meaning in Russian

{
  "forms": [
    {
      "form": "бе́йся",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "béjsja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "бе́йся"
      },
      "expansion": "бе́йся • (béjsja)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "inflection of би́ться (bítʹsja):",
        "masculine singular past indicative"
      ],
      "id": "en-бейся-ru-verb-akfZ-f0o",
      "links": [
        [
          "би́ться",
          "биться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "masculine",
        "past",
        "singular"
      ]
    },
    {
      "categories": [
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "inflection of би́ться (bítʹsja):",
        "second-person singular imperative imperfective"
      ],
      "id": "en-бейся-ru-verb-q3Ee9GE3",
      "links": [
        [
          "би́ться",
          "биться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "imperative",
        "imperfective",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbʲejsʲə]"
    }
  ],
  "word": "бейся"
}

{
  "categories": [
    "Russian 2-syllable words",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation",
    "Russian verb forms"
  ],
  "forms": [
    {
      "form": "бе́йся",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "béjsja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "verb form",
        "head": "бе́йся"
      },
      "expansion": "бе́йся • (béjsja)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "inflection of би́ться (bítʹsja):",
        "masculine singular past indicative"
      ],
      "links": [
        [
          "би́ться",
          "биться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "indicative",
        "masculine",
        "past",
        "singular"
      ]
    },
    {
      "glosses": [
        "inflection of би́ться (bítʹsja):",
        "second-person singular imperative imperfective"
      ],
      "links": [
        [
          "би́ться",
          "биться#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "imperative",
        "imperfective",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈbʲejsʲə]"
    }
  ],
  "word": "бейся"
}