"AA tree" meaning in English

{
  "etymology_text": "From the initials of its inventor Arne Andersson. Coined by Mark Allen Weiss in 1994.",
  "forms": [
    {
      "form": "AA trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "AA tree (plural AA trees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Data structures",
          "orig": "en:Data structures",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A form of balanced binary tree used for storing and retrieving ordered data efficiently, a variation of the red-black tree."
      ],
      "id": "en-AA_tree-en-noun-dIhGDHtr",
      "links": [
        [
          "computer science",
          "computer science"
        ],
        [
          "balanced",
          "balanced"
        ],
        [
          "binary tree",
          "binary tree"
        ],
        [
          "red-black tree",
          "red-black tree"
        ]
      ],
      "raw_glosses": [
        "(computer science) A form of balanced binary tree used for storing and retrieving ordered data efficiently, a variation of the red-black tree."
      ],
      "topics": [
        "computer",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "science",
        "sciences"
      ]
    }
  ],
  "word": "AA tree"
}

{
  "etymology_text": "From the initials of its inventor Arne Andersson. Coined by Mark Allen Weiss in 1994.",
  "forms": [
    {
      "form": "AA trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "AA tree (plural AA trees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Data structures"
      ],
      "glosses": [
        "A form of balanced binary tree used for storing and retrieving ordered data efficiently, a variation of the red-black tree."
      ],
      "links": [
        [
          "computer science",
          "computer science"
        ],
        [
          "balanced",
          "balanced"
        ],
        [
          "binary tree",
          "binary tree"
        ],
        [
          "red-black tree",
          "red-black tree"
        ]
      ],
      "raw_glosses": [
        "(computer science) A form of balanced binary tree used for storing and retrieving ordered data efficiently, a variation of the red-black tree."
      ],
      "topics": [
        "computer",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "science",
        "sciences"
      ]
    }
  ],
  "word": "AA tree"
}