"pernach" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "uk",
        "3": "перна́ч"
      },
      "expansion": "Ukrainian перна́ч (pernáč)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ukrainian перна́ч (pernáč), пірна́ч (pirnáč).",
  "forms": [
    {
      "form": "pernachs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "pernach (plural pernachs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Weapons",
          "orig": "en:Weapons",
          "parents": [
            "Hunting",
            "Military",
            "Tools",
            "Human activity",
            "Society",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A type of flanged mace from medieval Kievan Rus'."
      ],
      "id": "en-pernach-en-noun-PCxyHewU",
      "links": [
        [
          "mace",
          "mace"
        ],
        [
          "Kievan Rus'",
          "Kievan Rus'"
        ]
      ],
      "related": [
        {
          "word": "shestopyor"
        }
      ],
      "wikipedia": [
        "pernach"
      ]
    }
  ],
  "word": "pernach"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "uk",
        "3": "перна́ч"
      },
      "expansion": "Ukrainian перна́ч (pernáč)",
      "name": "uder"
    }
  ],
  "etymology_text": "Ukrainian перна́ч (pernáč), пірна́ч (pirnáč).",
  "forms": [
    {
      "form": "pernachs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "pernach (plural pernachs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "shestopyor"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms derived from Ukrainian",
        "English undefined derivations",
        "Pages with 1 entry",
        "Pages with entries",
        "Requests for pronunciation in English entries",
        "en:Weapons"
      ],
      "glosses": [
        "A type of flanged mace from medieval Kievan Rus'."
      ],
      "links": [
        [
          "mace",
          "mace"
        ],
        [
          "Kievan Rus'",
          "Kievan Rus'"
        ]
      ],
      "wikipedia": [
        "pernach"
      ]
    }
  ],
  "word": "pernach"
}