"аркан" meaning in Even

{
  "etymology_templates": [
    {
      "args": {
        "1": "eve",
        "2": "tuw-pro",
        "3": "*arke"
      },
      "expansion": "Proto-Tungusic *arke",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Tungusic *arke.",
  "forms": [
    {
      "form": "arkan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "eve",
        "2": "noun"
      },
      "expansion": "аркан (arkan)",
      "name": "head"
    }
  ],
  "lang": "Even",
  "lang_code": "eve",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Even entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "25 30 2 2 30 2 9",
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 29 2 2 29 2 13",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the back"
      ],
      "id": "en-аркан-eve-noun-Zix9FE1R",
      "links": [
        [
          "back",
          "back"
        ]
      ]
    }
  ],
  "word": "аркан"
}

{
  "categories": [
    "Pages with 5 entries",
    "Pages with entries",
    "uk:Dance",
    "uk:Ukraine"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "eve",
        "2": "tuw-pro",
        "3": "*arke"
      },
      "expansion": "Proto-Tungusic *arke",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Tungusic *arke.",
  "forms": [
    {
      "form": "arkan",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "eve",
        "2": "noun"
      },
      "expansion": "аркан (arkan)",
      "name": "head"
    }
  ],
  "lang": "Even",
  "lang_code": "eve",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Even entries with incorrect language header",
        "Even lemmas",
        "Even nouns",
        "Even terms derived from Proto-Tungusic",
        "Even terms inherited from Proto-Tungusic",
        "Pages with 5 entries",
        "Pages with entries"
      ],
      "glosses": [
        "the back"
      ],
      "links": [
        [
          "back",
          "back"
        ]
      ]
    }
  ],
  "word": "аркан"
}