"take up arms" meaning in English

{
  "forms": [
    {
      "form": "takes up arms",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "taking up arms",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "took up arms",
      "tags": [
        "past"
      ]
    },
    {
      "form": "taken up arms",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "take<,,took,taken> up arms"
      },
      "expansion": "take up arms (third-person singular simple present takes up arms, present participle taking up arms, simple past took up arms, past participle taken up arms)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "antonyms": [
        {
          "word": "lay down one's arms"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Maori translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "To prepare to fight; to arm oneself."
      ],
      "id": "en-take_up_arms-en-verb-qlazYKpC",
      "info_templates": [
        {
          "args": {
            "1": "en",
            "2": ":against/:for"
          },
          "expansion": "[with against or for]",
          "extra_data": {
            "words": [
              "against",
              "for"
            ]
          },
          "name": "+obj"
        }
      ],
      "raw_glosses": [
        "(intransitive) To prepare to fight; to arm oneself. [with against or for]"
      ],
      "tags": [
        "intransitive"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "tarttua aseisiin"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "prendre les armes"
        },
        {
          "code": "mi",
          "lang": "Maori",
          "sense": "Translations",
          "word": "hāpai pū"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "brátʹsja za orúžije",
          "sense": "Translations",
          "word": "бра́ться за ору́жие"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "vzjátʹsja za orúžije",
          "sense": "Translations",
          "word": "взя́ться за ору́жие"
        }
      ]
    }
  ],
  "word": "take up arms"
}

{
  "forms": [
    {
      "form": "takes up arms",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "taking up arms",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "took up arms",
      "tags": [
        "past"
      ]
    },
    {
      "form": "taken up arms",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "take<,,took,taken> up arms"
      },
      "expansion": "take up arms (third-person singular simple present takes up arms, present participle taking up arms, simple past took up arms, past participle taken up arms)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "antonyms": [
        {
          "word": "lay down one's arms"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English verbs",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Maori translations",
        "Terms with Russian translations",
        "Translation table header lacks gloss"
      ],
      "glosses": [
        "To prepare to fight; to arm oneself."
      ],
      "info_templates": [
        {
          "args": {
            "1": "en",
            "2": ":against/:for"
          },
          "expansion": "[with against or for]",
          "extra_data": {
            "words": [
              "against",
              "for"
            ]
          },
          "name": "+obj"
        }
      ],
      "raw_glosses": [
        "(intransitive) To prepare to fight; to arm oneself. [with against or for]"
      ],
      "tags": [
        "intransitive"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "tarttua aseisiin"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "prendre les armes"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "Translations",
      "word": "hāpai pū"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "brátʹsja za orúžije",
      "sense": "Translations",
      "word": "бра́ться за ору́жие"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "vzjátʹsja za orúžije",
      "sense": "Translations",
      "word": "взя́ться за ору́жие"
    }
  ],
  "word": "take up arms"
}