"indirect fire" meaning in English

{
  "antonyms": [
    {
      "word": "direct fire"
    }
  ],
  "head_templates": [
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      "expansion": "indirect fire (uncountable)",
      "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"
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          "source": "w"
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      ],
      "glosses": [
        "The aiming and firing of a projectile without relying on a direct line of sight between the weapon and its target, especially at either very close ranges (such as mortar fire) or very far ranges (up to the limits of artillery range); the trajectories involved are steeper."
      ],
      "id": "en-indirect_fire-en-noun-PgpKgUMd",
      "links": [
        [
          "mortar",
          "mortar#Noun"
        ],
        [
          "trajectories",
          "trajectory"
        ],
        [
          "steeper",
          "steeper"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "indirect fire"
      ]
    }
  ],
  "word": "indirect fire"
}

{
  "antonyms": [
    {
      "word": "direct fire"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "indirect fire (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns"
      ],
      "glosses": [
        "The aiming and firing of a projectile without relying on a direct line of sight between the weapon and its target, especially at either very close ranges (such as mortar fire) or very far ranges (up to the limits of artillery range); the trajectories involved are steeper."
      ],
      "links": [
        [
          "mortar",
          "mortar#Noun"
        ],
        [
          "trajectories",
          "trajectory"
        ],
        [
          "steeper",
          "steeper"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "indirect fire"
      ]
    }
  ],
  "word": "indirect fire"
}