"dive computer" meaning in English

{
  "forms": [
    {
      "form": "dive computers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dive computer (plural dive computers)",
      "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": "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 device, similar in appearance to a wristwatch, used by underwater divers to measure the time and depth of a dive, calculate a safe ascent profile, and avoid decompression sickness."
      ],
      "id": "en-dive_computer-en-noun-eRMrxrQE",
      "links": [
        [
          "wristwatch",
          "wristwatch"
        ],
        [
          "underwater",
          "underwater"
        ],
        [
          "diver",
          "diver"
        ],
        [
          "measure",
          "measure"
        ],
        [
          "time",
          "time"
        ],
        [
          "depth",
          "depth"
        ],
        [
          "decompression sickness",
          "decompression sickness"
        ]
      ],
      "wikipedia": [
        "dive computer"
      ]
    }
  ],
  "word": "dive computer"
}

{
  "forms": [
    {
      "form": "dive computers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dive computer (plural dive computers)",
      "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",
        "en:Underwater diving"
      ],
      "glosses": [
        "A device, similar in appearance to a wristwatch, used by underwater divers to measure the time and depth of a dive, calculate a safe ascent profile, and avoid decompression sickness."
      ],
      "links": [
        [
          "wristwatch",
          "wristwatch"
        ],
        [
          "underwater",
          "underwater"
        ],
        [
          "diver",
          "diver"
        ],
        [
          "measure",
          "measure"
        ],
        [
          "time",
          "time"
        ],
        [
          "depth",
          "depth"
        ],
        [
          "decompression sickness",
          "decompression sickness"
        ]
      ],
      "wikipedia": [
        "dive computer"
      ]
    }
  ],
  "word": "dive computer"
}