"busy beaver" meaning in English

{
  "forms": [
    {
      "form": "busy beavers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "busy beaver (plural busy beavers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "derived": [
        {
          "_dis1": "83 17",
          "word": "busy beaver function"
        }
      ],
      "examples": [
        {
          "text": "Wow! Laundry, dishes, and errands, all in one day? You've been a busy beaver."
        }
      ],
      "glosses": [
        "Someone who is very busy or hard-working."
      ],
      "id": "en-busy_beaver-en-noun-lHHygNze",
      "raw_glosses": [
        "(informal) Someone who is very busy or hard-working."
      ],
      "related": [
        {
          "_dis1": "83 17",
          "word": "busy as a beaver"
        }
      ],
      "tags": [
        "informal"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Theory of computing",
          "orig": "en:Theory of computing",
          "parents": [
            "Computer science",
            "Computing",
            "Sciences",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A Turing machine that attains the maximum number of steps performed, or number of non-blank symbols finally on the tape, among all Turing machines in a certain class."
      ],
      "id": "en-busy_beaver-en-noun-EJmCvgdC",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "theory",
          "theory"
        ],
        [
          "Turing machine",
          "Turing machine"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "tape",
          "tape"
        ]
      ],
      "raw_glosses": [
        "(computing theory) A Turing machine that attains the maximum number of steps performed, or number of non-blank symbols finally on the tape, among all Turing machines in a certain class."
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "busy beaver"
  ],
  "word": "busy beaver"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "derived": [
    {
      "word": "busy beaver function"
    }
  ],
  "forms": [
    {
      "form": "busy beavers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "busy beaver (plural busy beavers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "busy as a beaver"
    }
  ],
  "senses": [
    {
      "categories": [
        "English informal terms"
      ],
      "examples": [
        {
          "text": "Wow! Laundry, dishes, and errands, all in one day? You've been a busy beaver."
        }
      ],
      "glosses": [
        "Someone who is very busy or hard-working."
      ],
      "raw_glosses": [
        "(informal) Someone who is very busy or hard-working."
      ],
      "tags": [
        "informal"
      ]
    },
    {
      "categories": [
        "en:Theory of computing"
      ],
      "glosses": [
        "A Turing machine that attains the maximum number of steps performed, or number of non-blank symbols finally on the tape, among all Turing machines in a certain class."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "theory",
          "theory"
        ],
        [
          "Turing machine",
          "Turing machine"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "tape",
          "tape"
        ]
      ],
      "raw_glosses": [
        "(computing theory) A Turing machine that attains the maximum number of steps performed, or number of non-blank symbols finally on the tape, among all Turing machines in a certain class."
      ],
      "topics": [
        "computing",
        "computing-theory",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "busy beaver"
  ],
  "word": "busy beaver"
}