"air draft" meaning in English

{
  "forms": [
    {
      "form": "air drafts",
      "tags": [
        "plural"
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  "head_templates": [
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      "args": {},
      "expansion": "air draft (plural air drafts)",
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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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          "orig": "en:Nautical",
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            "Transport",
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        }
      ],
      "glosses": [
        "The distance from the surface of the water to the highest point on a vessel"
      ],
      "id": "en-air_draft-en-noun-IAfCzdtU",
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "surface",
          "surface"
        ],
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          "vessel",
          "vessel"
        ]
      ],
      "raw_glosses": [
        "(nautical) The distance from the surface of the water to the highest point on a vessel"
      ],
      "related": [
        {
          "word": "deep draft"
        }
      ],
      "synonyms": [
        {
          "word": "air draught"
        }
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "air draft"
      ]
    }
  ],
  "word": "air draft"
}

{
  "forms": [
    {
      "form": "air drafts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "air draft (plural air drafts)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "deep draft"
    }
  ],
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      "glosses": [
        "The distance from the surface of the water to the highest point on a vessel"
      ],
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          "nautical"
        ],
        [
          "surface",
          "surface"
        ],
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        ]
      ],
      "raw_glosses": [
        "(nautical) The distance from the surface of the water to the highest point on a vessel"
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "air draft"
      ]
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  "synonyms": [
    {
      "word": "air draught"
    }
  ],
  "word": "air draft"
}