"tactical pen" meaning in English

{
  "forms": [
    {
      "form": "tactical pens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tactical pen (plural tactical pens)",
      "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 links with manual fragments",
          "parents": [
            "Links with manual fragments",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A pen (writing implement) with a multiuse design allowing use as a self-defense tool if necessary. Such pens are often made of metal and constitute part of an everyday carry layout."
      ],
      "id": "en-tactical_pen-en-noun-qezxY1w2",
      "links": [
        [
          "multiuse",
          "multiuse"
        ],
        [
          "self-defense",
          "self-defense"
        ],
        [
          "everyday carry",
          "everyday carry"
        ]
      ],
      "related": [
        {
          "word": "kubotan"
        },
        {
          "english": "club",
          "word": "mace"
        },
        {
          "english": "spray",
          "word": "mace"
        },
        {
          "word": "pepper spray"
        }
      ]
    }
  ],
  "word": "tactical pen"
}

{
  "forms": [
    {
      "form": "tactical pens",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tactical pen (plural tactical pens)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "kubotan"
    },
    {
      "english": "club",
      "word": "mace"
    },
    {
      "english": "spray",
      "word": "mace"
    },
    {
      "word": "pepper spray"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English links with manual fragments",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A pen (writing implement) with a multiuse design allowing use as a self-defense tool if necessary. Such pens are often made of metal and constitute part of an everyday carry layout."
      ],
      "links": [
        [
          "multiuse",
          "multiuse"
        ],
        [
          "self-defense",
          "self-defense"
        ],
        [
          "everyday carry",
          "everyday carry"
        ]
      ]
    }
  ],
  "word": "tactical pen"
}