"air space" meaning in English

{
  "categories": [],
  "etymology_templates": [
    {
      "args": {
        "1": "air",
        "2": "space"
      },
      "expansion": "air + space",
      "name": "compound"
    }
  ],
  "etymology_text": "air + space",
  "forms": [
    {
      "form": "air space",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "air spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "An air space is a special part of the atmosphere that is often under the jurisdiction of the land below it."
      ],
      "id": "simple-air_space-en-noun-pSoIo97a",
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "The airplane had instructions to only fly in the air space above the state of Kentucky."
        }
      ],
      "glosses": [
        "An air space is a part of the sky that is set aside for use by aircraft."
      ],
      "id": "simple-air_space-en-noun-sV99DpeA",
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "word": "air space"
}

{
  "categories": [
    "Compound terms"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "air",
        "2": "space"
      },
      "expansion": "air + space",
      "name": "compound"
    }
  ],
  "etymology_text": "air + space",
  "forms": [
    {
      "form": "air space",
      "tags": [
        "singular"
      ]
    },
    {
      "form": "air spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "expansion": "[POS TABLE]",
      "name": "noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Countable nouns"
      ],
      "glosses": [
        "An air space is a special part of the atmosphere that is often under the jurisdiction of the land below it."
      ],
      "raw_tags": [
        "countable"
      ]
    },
    {
      "categories": [
        "Countable nouns"
      ],
      "examples": [
        {
          "text": "The airplane had instructions to only fly in the air space above the state of Kentucky."
        }
      ],
      "glosses": [
        "An air space is a part of the sky that is set aside for use by aircraft."
      ],
      "raw_tags": [
        "countable"
      ]
    }
  ],
  "word": "air space"
}