"red-black tree" meaning in English

{
  "etymology_text": "From the colours traditionally used for nodes in diagrams of such trees.",
  "forms": [
    {
      "form": "red-black trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "red-black tree (plural red-black trees)",
      "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": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "AVL tree"
        }
      ],
      "glosses": [
        "A type of self-balancing binary search tree, typically used to implement associative arrays."
      ],
      "hypernyms": [
        {
          "word": "tree"
        }
      ],
      "id": "en-red-black_tree-en-noun-wYHdmj83",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "search tree",
          "search tree"
        ],
        [
          "associative array",
          "associative array"
        ]
      ],
      "raw_glosses": [
        "(computing) A type of self-balancing binary search tree, typically used to implement associative arrays."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "červéno-čérno dǎrvó",
          "sense": "binary search tree",
          "tags": [
            "neuter"
          ],
          "word": "черве́но-че́рно дърво́"
        },
        {
          "code": "nl",
          "lang": "Dutch",
          "sense": "binary search tree",
          "word": "rood-zwartboom"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "binary search tree",
          "word": "punamusta puu"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "binary search tree",
          "tags": [
            "masculine"
          ],
          "word": "Rot-Schwarz-Baum"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "binary search tree",
          "word": "RB-Albero"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "binary search tree",
          "word": "árvore rubro-negra"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "binary search tree",
          "tags": [
            "masculine"
          ],
          "word": "árbol rojo-negro"
        }
      ]
    }
  ],
  "word": "red-black tree"
}

{
  "coordinate_terms": [
    {
      "word": "AVL tree"
    }
  ],
  "etymology_text": "From the colours traditionally used for nodes in diagrams of such trees.",
  "forms": [
    {
      "form": "red-black trees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "red-black tree (plural red-black trees)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "tree"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Computing"
      ],
      "glosses": [
        "A type of self-balancing binary search tree, typically used to implement associative arrays."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "search tree",
          "search tree"
        ],
        [
          "associative array",
          "associative array"
        ]
      ],
      "raw_glosses": [
        "(computing) A type of self-balancing binary search tree, typically used to implement associative arrays."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "červéno-čérno dǎrvó",
      "sense": "binary search tree",
      "tags": [
        "neuter"
      ],
      "word": "черве́но-че́рно дърво́"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "binary search tree",
      "word": "rood-zwartboom"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "binary search tree",
      "word": "punamusta puu"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "binary search tree",
      "tags": [
        "masculine"
      ],
      "word": "Rot-Schwarz-Baum"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "binary search tree",
      "word": "RB-Albero"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "binary search tree",
      "word": "árvore rubro-negra"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "binary search tree",
      "tags": [
        "masculine"
      ],
      "word": "árbol rojo-negro"
    }
  ],
  "word": "red-black tree"
}