"flank eruption" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flank",
        "3": "eruption"
      },
      "expansion": "flank + eruption",
      "name": "com"
    }
  ],
  "etymology_text": "From flank + eruption.",
  "forms": [
    {
      "form": "flank eruptions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flank eruption (plural flank eruptions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Volcanology",
          "orig": "en:Volcanology",
          "parents": [
            "Geology",
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A volcanic eruption which occurs on the flanks of a volcano, rather than its summit."
      ],
      "id": "en-flank_eruption-en-noun-1Q2JRH2R",
      "links": [
        [
          "volcanology",
          "volcanology"
        ],
        [
          "volcanic",
          "volcanic"
        ],
        [
          "eruption",
          "eruption"
        ],
        [
          "flank",
          "flank"
        ],
        [
          "volcano",
          "volcano"
        ],
        [
          "summit",
          "summit"
        ]
      ],
      "raw_glosses": [
        "(volcanology) A volcanic eruption which occurs on the flanks of a volcano, rather than its summit."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences",
        "volcanology"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "Translations",
          "word": "側翼噴發"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "cèyì pēnfā",
          "sense": "Translations",
          "word": "侧翼喷发"
        }
      ]
    }
  ],
  "word": "flank eruption"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flank",
        "3": "eruption"
      },
      "expansion": "flank + eruption",
      "name": "com"
    }
  ],
  "etymology_text": "From flank + eruption.",
  "forms": [
    {
      "form": "flank eruptions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flank eruption (plural flank eruptions)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Volcanology"
      ],
      "glosses": [
        "A volcanic eruption which occurs on the flanks of a volcano, rather than its summit."
      ],
      "links": [
        [
          "volcanology",
          "volcanology"
        ],
        [
          "volcanic",
          "volcanic"
        ],
        [
          "eruption",
          "eruption"
        ],
        [
          "flank",
          "flank"
        ],
        [
          "volcano",
          "volcano"
        ],
        [
          "summit",
          "summit"
        ]
      ],
      "raw_glosses": [
        "(volcanology) A volcanic eruption which occurs on the flanks of a volcano, rather than its summit."
      ],
      "topics": [
        "geography",
        "geology",
        "natural-sciences",
        "volcanology"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "Translations",
      "word": "側翼噴發"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "cèyì pēnfā",
      "sense": "Translations",
      "word": "侧翼喷发"
    }
  ],
  "word": "flank eruption"
}