"war drum" meaning in English

{
  "forms": [
    {
      "form": "war drums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "war drum (plural war drums)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "name": "Terms with Mandarin translations",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Percussion instruments",
          "orig": "en:Percussion instruments",
          "parents": [
            "Musical instruments",
            "Music",
            "Tools",
            "Art",
            "Sound",
            "Technology",
            "Culture",
            "Energy",
            "All topics",
            "Society",
            "Nature",
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          "source": "w"
        }
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      "examples": [
        {
          "ref": "1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:",
          "text": "\"What is it, then?\" I asked. \"Drums,\" said Lord John, carelessly; \"war drums. I have heard them before.\" \"Yes, sir, war drums,\" said Gomez, the half-breed.",
          "type": "quote"
        },
        {
          "ref": "2003, “Pet”, performed by A Perfect Circle:",
          "text": "Lay your head down child\nI won't let the boogeyman come\nCounting bodies like sheep\nTo the rhythm of the war drums\nPay no mind to the rabble\nPay no mind to the rabble\nHead down, go to sleep\nTo the rhythm of the war drums",
          "type": "quote"
        }
      ],
      "glosses": [
        "A drum that is beaten to rally and encourage troops or to signify that war is approaching."
      ],
      "id": "en-war_drum-en-noun-Dbgf~O~6",
      "links": [
        [
          "drum",
          "drum"
        ],
        [
          "beat",
          "beat"
        ],
        [
          "troop",
          "troop"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "drum used in war",
          "word": "戰鼓"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zhàngǔ",
          "sense": "drum used in war",
          "word": "战鼓"
        }
      ]
    }
  ],
  "word": "war drum"
}

{
  "forms": [
    {
      "form": "war drums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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      "expansion": "war drum (plural war drums)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English countable nouns",
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        "English lemmas",
        "English multiword terms",
        "English nouns",
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        "en:Percussion instruments"
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      "examples": [
        {
          "ref": "1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:",
          "text": "\"What is it, then?\" I asked. \"Drums,\" said Lord John, carelessly; \"war drums. I have heard them before.\" \"Yes, sir, war drums,\" said Gomez, the half-breed.",
          "type": "quote"
        },
        {
          "ref": "2003, “Pet”, performed by A Perfect Circle:",
          "text": "Lay your head down child\nI won't let the boogeyman come\nCounting bodies like sheep\nTo the rhythm of the war drums\nPay no mind to the rabble\nPay no mind to the rabble\nHead down, go to sleep\nTo the rhythm of the war drums",
          "type": "quote"
        }
      ],
      "glosses": [
        "A drum that is beaten to rally and encourage troops or to signify that war is approaching."
      ],
      "links": [
        [
          "drum",
          "drum"
        ],
        [
          "beat",
          "beat"
        ],
        [
          "troop",
          "troop"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "drum used in war",
      "word": "戰鼓"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zhàngǔ",
      "sense": "drum used in war",
      "word": "战鼓"
    }
  ],
  "word": "war drum"
}