"a mano armada" meaning in Spanish

{
  "head_templates": [
    {
      "args": {},
      "expansion": "a mano armada",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "100 0",
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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      ],
      "glosses": [
        "armed"
      ],
      "id": "en-a_mano_armada-es-adv-3Ag9vgVq",
      "links": [
        [
          "armed",
          "armed"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "100 0",
          "word": "de mano armada"
        }
      ]
    },
    {
      "glosses": [
        "tooth and nail"
      ],
      "id": "en-a_mano_armada-es-adv-3V9ziefT",
      "links": [
        [
          "tooth and nail",
          "tooth and nail"
        ]
      ]
    }
  ],
  "word": "a mano armada"
}

{
  "categories": [
    "Pages with 1 entry",
    "Spanish adverbs",
    "Spanish entries with incorrect language header",
    "Spanish lemmas",
    "Spanish multiword terms"
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "a mano armada",
      "name": "es-adv"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "adv",
  "senses": [
    {
      "glosses": [
        "armed"
      ],
      "links": [
        [
          "armed",
          "armed"
        ]
      ]
    },
    {
      "glosses": [
        "tooth and nail"
      ],
      "links": [
        [
          "tooth and nail",
          "tooth and nail"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "de mano armada"
    }
  ],
  "word": "a mano armada"
}