"delta wing" meaning in English

{
  "etymology_text": "From the triangular shape of the majuscule Greek letter delta (Δ).",
  "forms": [
    {
      "form": "delta wings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "delta wing (plural delta 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"
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          "source": "w"
        },
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          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
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            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Aeronautics",
          "orig": "en:Aeronautics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "U.S. Space Force unit",
          "word": "delta"
        }
      ],
      "glosses": [
        "An aircraft wing having a swept-back shape in the form of an isosceles triangle; used mostly on supersonic aircraft"
      ],
      "id": "en-delta_wing-en-noun-RQEEVKyf",
      "links": [
        [
          "aeronautics",
          "aeronautics"
        ],
        [
          "aircraft",
          "aircraft"
        ],
        [
          "swept",
          "swept"
        ],
        [
          "back",
          "back"
        ],
        [
          "isosceles triangle",
          "isosceles triangle"
        ],
        [
          "supersonic",
          "supersonic"
        ]
      ],
      "raw_glosses": [
        "(aeronautics) An aircraft wing having a swept-back shape in the form of an isosceles triangle; used mostly on supersonic aircraft"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "swept-back wing",
          "word": "deltasiipi"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "swept-back wing",
          "tags": [
            "masculine"
          ],
          "word": "Deltaflügel"
        },
        {
          "code": "el",
          "lang": "Greek",
          "roman": "deltaptérygo",
          "sense": "swept-back wing",
          "tags": [
            "neuter"
          ],
          "word": "δελταπτέρυγο"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "swept-back wing",
          "tags": [
            "feminine"
          ],
          "word": "ala a delta"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "treugólʹnoje kryló",
          "sense": "swept-back wing",
          "tags": [
            "neuter"
          ],
          "word": "треуго́льное крыло́"
        }
      ],
      "wikipedia": [
        "delta wing"
      ]
    }
  ],
  "word": "delta wing"
}

{
  "derived": [
    {
      "english": "U.S. Space Force unit",
      "word": "delta"
    }
  ],
  "etymology_text": "From the triangular shape of the majuscule Greek letter delta (Δ).",
  "forms": [
    {
      "form": "delta wings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "delta wing (plural delta 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 lemmas",
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        "English terms with non-redundant non-automated sortkeys",
        "Pages with raw sortkeys",
        "en:Aeronautics"
      ],
      "glosses": [
        "An aircraft wing having a swept-back shape in the form of an isosceles triangle; used mostly on supersonic aircraft"
      ],
      "links": [
        [
          "aeronautics",
          "aeronautics"
        ],
        [
          "aircraft",
          "aircraft"
        ],
        [
          "swept",
          "swept"
        ],
        [
          "back",
          "back"
        ],
        [
          "isosceles triangle",
          "isosceles triangle"
        ],
        [
          "supersonic",
          "supersonic"
        ]
      ],
      "raw_glosses": [
        "(aeronautics) An aircraft wing having a swept-back shape in the form of an isosceles triangle; used mostly on supersonic aircraft"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ],
      "wikipedia": [
        "delta wing"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "swept-back wing",
      "word": "deltasiipi"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "swept-back wing",
      "tags": [
        "masculine"
      ],
      "word": "Deltaflügel"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "deltaptérygo",
      "sense": "swept-back wing",
      "tags": [
        "neuter"
      ],
      "word": "δελταπτέρυγο"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "swept-back wing",
      "tags": [
        "feminine"
      ],
      "word": "ala a delta"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "treugólʹnoje kryló",
      "sense": "swept-back wing",
      "tags": [
        "neuter"
      ],
      "word": "треуго́льное крыло́"
    }
  ],
  "word": "delta wing"
}