"drum up" meaning in English

{
  "forms": [
    {
      "form": "drums up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "drumming up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "drummed up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "drummed up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "drum up (third-person singular simple present drums up, present participle drumming up, simple past and past participle drummed up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 phrasal verbs with particle (up)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The candidate gave speeches, shook hands, and kissed babies in an effort to drum up support before the election.",
          "type": "example"
        },
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, page 73",
          "text": "From 1910, to drum up custom, the Metropolitan would operate a luxury Pullman service from Verney Junction to Aldgate.",
          "type": "quotation"
        },
        {
          "ref": "2013 May 25, “No hiding place”, in The Economist, volume 407, number 8837, page 74",
          "text": "In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result. If the bumf arrived electronically, the take-up rate was 0.1%. And for online adverts the “conversion” into sales was a minuscule 0.01%. That means about $165 billion was spent not on drumming up business, but on annoying people, creating landfill and cluttering spam filters.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To generate or encourage; to campaign for."
      ],
      "id": "en-drum_up-en-verb-b70rvfMI",
      "links": [
        [
          "generate",
          "generate"
        ],
        [
          "encourage",
          "encourage"
        ],
        [
          "campaign",
          "campaign"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To generate or encourage; to campaign for."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-drum up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e5/En-au-drum_up.ogg/En-au-drum_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e5/En-au-drum_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "drum up"
}

{
  "forms": [
    {
      "form": "drums up",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "drumming up",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "drummed up",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "drummed up",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "drum up (third-person singular simple present drums up, present participle drumming up, simple past and past participle drummed up)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English idioms",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (up)",
        "English terms with audio links",
        "English terms with quotations",
        "English terms with usage examples",
        "English verbs"
      ],
      "examples": [
        {
          "text": "The candidate gave speeches, shook hands, and kissed babies in an effort to drum up support before the election.",
          "type": "example"
        },
        {
          "ref": "2012, Andrew Martin, Underground Overground: A passenger's history of the Tube, Profile Books, page 73",
          "text": "From 1910, to drum up custom, the Metropolitan would operate a luxury Pullman service from Verney Junction to Aldgate.",
          "type": "quotation"
        },
        {
          "ref": "2013 May 25, “No hiding place”, in The Economist, volume 407, number 8837, page 74",
          "text": "In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result. If the bumf arrived electronically, the take-up rate was 0.1%. And for online adverts the “conversion” into sales was a minuscule 0.01%. That means about $165 billion was spent not on drumming up business, but on annoying people, creating landfill and cluttering spam filters.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "To generate or encourage; to campaign for."
      ],
      "links": [
        [
          "generate",
          "generate"
        ],
        [
          "encourage",
          "encourage"
        ],
        [
          "campaign",
          "campaign"
        ]
      ],
      "raw_glosses": [
        "(idiomatic) To generate or encourage; to campaign for."
      ],
      "tags": [
        "idiomatic"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "en-au-drum up.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/e/e5/En-au-drum_up.ogg/En-au-drum_up.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/e/e5/En-au-drum_up.ogg",
      "tags": [
        "Australia"
      ],
      "text": "Audio (AU)"
    }
  ],
  "word": "drum up"
}