"Rogallo wing" meaning in English

{
  "etymology_text": "Invented in 1948 by Gertrude and Francis Rogallo.",
  "forms": [
    {
      "form": "Rogallo wings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Rogallo wing (plural Rogallo wings)",
      "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": "English entries with language name categories using raw markup",
          "parents": [
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          "source": "w"
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          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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          "source": "w"
        }
      ],
      "glosses": [
        "A flexible type of airfoil."
      ],
      "id": "en-Rogallo_wing-en-noun-t9cbTj0k",
      "links": [
        [
          "flexible",
          "flexible"
        ],
        [
          "airfoil",
          "airfoil"
        ]
      ]
    }
  ],
  "word": "Rogallo wing"
}

{
  "etymology_text": "Invented in 1948 by Gertrude and Francis Rogallo.",
  "forms": [
    {
      "form": "Rogallo wings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Rogallo wing (plural Rogallo wings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "A flexible type of airfoil."
      ],
      "links": [
        [
          "flexible",
          "flexible"
        ],
        [
          "airfoil",
          "airfoil"
        ]
      ]
    }
  ],
  "word": "Rogallo wing"
}