"big brother" meaning in English

{
  "forms": [
    {
      "form": "big brothers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big brother (plural big brothers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "48 39 13",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "55 19 26",
          "kind": "topical",
          "langcode": "en",
          "name": "Male family members",
          "orig": "en:Male family members",
          "parents": [
            "Family members",
            "Male people",
            "Family",
            "Male",
            "People",
            "Gender",
            "Human",
            "Biology",
            "Psychology",
            "Sociology",
            "All topics",
            "Sciences",
            "Social sciences",
            "Fundamental",
            "Society"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "58 24 17",
          "kind": "topical",
          "langcode": "en",
          "name": "Siblings",
          "orig": "en:Siblings",
          "parents": [
            "Family members",
            "Family",
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "If you don't give me back my toys I'll tell my big brother!",
          "type": "example"
        }
      ],
      "glosses": [
        "A sibling's older brother."
      ],
      "id": "en-big_brother-en-noun-NN~6eWj5",
      "links": [
        [
          "childish",
          "childish"
        ],
        [
          "sibling",
          "sibling"
        ],
        [
          "brother",
          "brother"
        ]
      ],
      "raw_glosses": [
        "(often childish) A sibling's older brother."
      ],
      "tags": [
        "childish",
        "often"
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "ref": "2019 October, Roger Ford, “WCP award - victory for DfT reactionaries”, in Modern Railways, page 32",
          "text": "While the little MTU Vee-12s in the Class 800 bi-mode generating units have lower overall emissions than their big brothers in the Class 43 IC125 power cars, in the case of CO₂, when you burn a litre of diesel fuel you get 2.8kg of CO₂. [a possible error in the original text]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something that is bigger in comparison."
      ],
      "id": "en-big_brother-en-noun-zrUTHxbf",
      "raw_glosses": [
        "(figurative) Something that is bigger in comparison."
      ],
      "tags": [
        "figuratively"
      ]
    },
    {
      "alt_of": [
        {
          "word": "Big Brother"
        }
      ],
      "glosses": [
        "Alternative form of Big Brother"
      ],
      "id": "en-big_brother-en-noun-UNSGvQ7l",
      "links": [
        [
          "Big Brother",
          "Big Brother#English"
        ]
      ],
      "related": [
        {
          "_dis1": "25 5 70",
          "word": "big sister"
        },
        {
          "_dis1": "25 5 70",
          "word": "little brother"
        },
        {
          "_dis1": "25 5 70",
          "word": "little sister"
        }
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "big brother"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "en:Male family members",
    "en:Siblings"
  ],
  "forms": [
    {
      "form": "big brothers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "big brother (plural big brothers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "big sister"
    },
    {
      "word": "little brother"
    },
    {
      "word": "little sister"
    }
  ],
  "senses": [
    {
      "categories": [
        "English childish terms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "If you don't give me back my toys I'll tell my big brother!",
          "type": "example"
        }
      ],
      "glosses": [
        "A sibling's older brother."
      ],
      "links": [
        [
          "childish",
          "childish"
        ],
        [
          "sibling",
          "sibling"
        ],
        [
          "brother",
          "brother"
        ]
      ],
      "raw_glosses": [
        "(often childish) A sibling's older brother."
      ],
      "tags": [
        "childish",
        "often"
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2019 October, Roger Ford, “WCP award - victory for DfT reactionaries”, in Modern Railways, page 32",
          "text": "While the little MTU Vee-12s in the Class 800 bi-mode generating units have lower overall emissions than their big brothers in the Class 43 IC125 power cars, in the case of CO₂, when you burn a litre of diesel fuel you get 2.8kg of CO₂. [a possible error in the original text]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Something that is bigger in comparison."
      ],
      "raw_glosses": [
        "(figurative) Something that is bigger in comparison."
      ],
      "tags": [
        "figuratively"
      ]
    },
    {
      "alt_of": [
        {
          "word": "Big Brother"
        }
      ],
      "glosses": [
        "Alternative form of Big Brother"
      ],
      "links": [
        [
          "Big Brother",
          "Big Brother#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "big brother"
}