"brum" meaning in English

{
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "brrm"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "11 2 12 14 17 12 19 0 0 10 0 1",
          "kind": "other",
          "name": "Pages with 9 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "18 1 11 13 15 12 18 0 0 9 0 1",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Alternative form of brrm."
      ],
      "id": "en-brum-en-intj-kJC-2qSQ",
      "links": [
        [
          "brrm",
          "brrm#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "brum"
}

{
  "categories": [
    "Pages with 9 entries",
    "Pages with entries",
    "Tok Pisin entries with incorrect language header",
    "Tok Pisin intransitive verbs",
    "Tok Pisin lemmas",
    "Tok Pisin nouns",
    "Tok Pisin terms derived from English",
    "Tok Pisin terms inherited from English",
    "Tok Pisin verbs"
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "intj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "brrm"
        }
      ],
      "categories": [
        "English entries with incorrect language header",
        "English interjections",
        "English lemmas",
        "Pages with 9 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Alternative form of brrm."
      ],
      "links": [
        [
          "brrm",
          "brrm#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "brum"
}