"groundspeed" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ground",
        "3": "speed"
      },
      "expansion": "ground + speed",
      "name": "compound"
    }
  ],
  "etymology_text": "From ground + speed.",
  "forms": [
    {
      "form": "groundspeeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "groundspeed (plural groundspeeds)",
      "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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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aviation",
          "orig": "en:Aviation",
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            "Aeronautics",
            "Transport",
            "Sciences",
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            "Fundamental"
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        }
      ],
      "coordinate_terms": [
        {
          "word": "airspeed"
        },
        {
          "word": "climb rate"
        }
      ],
      "glosses": [
        "The horizontal speed of an aircraft relative to the ground."
      ],
      "id": "en-groundspeed-en-noun-66I6iBke",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "aircraft",
          "aircraft"
        ],
        [
          "relative",
          "relative"
        ],
        [
          "ground",
          "ground"
        ]
      ],
      "raw_glosses": [
        "(aviation) The horizontal speed of an aircraft relative to the ground."
      ],
      "synonyms": [
        {
          "word": "ground speed"
        }
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "horizontal speed relative to the ground",
          "tags": [
            "feminine"
          ],
          "word": "Geschwindigkeit über Grund"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "horizontal speed relative to the ground",
          "tags": [
            "feminine"
          ],
          "word": "Grundgeschwindigkeit"
        }
      ]
    }
  ],
  "word": "groundspeed"
}

{
  "coordinate_terms": [
    {
      "word": "airspeed"
    },
    {
      "word": "climb rate"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "ground",
        "3": "speed"
      },
      "expansion": "ground + speed",
      "name": "compound"
    }
  ],
  "etymology_text": "From ground + speed.",
  "forms": [
    {
      "form": "groundspeeds",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "groundspeed (plural groundspeeds)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Aviation"
      ],
      "glosses": [
        "The horizontal speed of an aircraft relative to the ground."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "horizontal",
          "horizontal"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "aircraft",
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        ],
        [
          "relative",
          "relative"
        ],
        [
          "ground",
          "ground"
        ]
      ],
      "raw_glosses": [
        "(aviation) The horizontal speed of an aircraft relative to the ground."
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
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    }
  ],
  "synonyms": [
    {
      "word": "ground speed"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "horizontal speed relative to the ground",
      "tags": [
        "feminine"
      ],
      "word": "Geschwindigkeit über Grund"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "horizontal speed relative to the ground",
      "tags": [
        "feminine"
      ],
      "word": "Grundgeschwindigkeit"
    }
  ],
  "word": "groundspeed"
}