"sea scooter" meaning in English

{
  "forms": [
    {
      "form": "sea scooters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea scooter (plural sea scooters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Underwater diving",
          "orig": "en:Underwater diving",
          "parents": [
            "Water sports",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A propulsion device used by scuba divers to increase their range while underwater."
      ],
      "id": "en-sea_scooter-en-noun-ipGKWzRw",
      "links": [
        [
          "propulsion",
          "propulsion"
        ],
        [
          "device",
          "device"
        ],
        [
          "scuba diver",
          "scuba diver"
        ],
        [
          "range",
          "range"
        ],
        [
          "underwater",
          "underwater"
        ]
      ],
      "wikipedia": [
        "sea scooter"
      ]
    }
  ],
  "word": "sea scooter"
}

{
  "forms": [
    {
      "form": "sea scooters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sea scooter (plural sea scooters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Underwater diving"
      ],
      "glosses": [
        "A propulsion device used by scuba divers to increase their range while underwater."
      ],
      "links": [
        [
          "propulsion",
          "propulsion"
        ],
        [
          "device",
          "device"
        ],
        [
          "scuba diver",
          "scuba diver"
        ],
        [
          "range",
          "range"
        ],
        [
          "underwater",
          "underwater"
        ]
      ],
      "wikipedia": [
        "sea scooter"
      ]
    }
  ],
  "word": "sea scooter"
}