"pontooning" meaning in English

{
  "etymology_templates": [
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        "2": "pontoon",
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      "expansion": "pontoon + -ing",
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  ],
  "etymology_text": "From pontoon + -ing.",
  "head_templates": [
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      "args": {
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      "expansion": "pontooning (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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      "examples": [
        {
          "ref": "1905, The Royal Engineers Journal, volume 2, page 284:",
          "text": "Recruits need do nothing more elaborate than trestle, single-lock, and double-lock bridges and barrel-pier rafts, but they should go through a prolonged course of pontooning.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The art or process of constructing pontoon bridges."
      ],
      "id": "en-pontooning-en-noun-5RWGWPfp",
      "links": [
        [
          "construct",
          "construct"
        ],
        [
          "pontoon",
          "pontoon"
        ],
        [
          "bridge",
          "bridge"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "pontooning"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pontoon",
        "3": "ing"
      },
      "expansion": "pontoon + -ing",
      "name": "suffix"
    }
  ],
  "etymology_text": "From pontoon + -ing.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "pontooning (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Pages with entries",
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      "examples": [
        {
          "ref": "1905, The Royal Engineers Journal, volume 2, page 284:",
          "text": "Recruits need do nothing more elaborate than trestle, single-lock, and double-lock bridges and barrel-pier rafts, but they should go through a prolonged course of pontooning.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The art or process of constructing pontoon bridges."
      ],
      "links": [
        [
          "construct",
          "construct"
        ],
        [
          "pontoon",
          "pontoon"
        ],
        [
          "bridge",
          "bridge"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "word": "pontooning"
}