"brother-slayer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "brodyr slaer"
      },
      "expansion": "Middle English brodyr slaer",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "brōþorslaga"
      },
      "expansion": "Old English brōþorslaga",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "brother",
        "3": "slayer"
      },
      "expansion": "brother + slayer",
      "name": "af"
    }
  ],
  "etymology_text": "From Middle English brodyr slaer, from Old English brōþorslaga, equivalent to brother + slayer.",
  "forms": [
    {
      "form": "brother-slayers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "brotherslayer",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "brother slayer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "brother-slayer (plural brother-slayers)",
      "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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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "One who kills or murders one's brother; a fratricide"
      ],
      "id": "en-brother-slayer-en-noun-Q7E4MhUT",
      "links": [
        [
          "brother",
          "brother"
        ],
        [
          "fratricide",
          "fratricide"
        ]
      ],
      "raw_glosses": [
        "(rare) One who kills or murders one's brother; a fratricide"
      ],
      "related": [
        {
          "word": "father-slayer"
        },
        {
          "word": "manslayer"
        }
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "brother-slayer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "enm",
        "3": "brodyr slaer"
      },
      "expansion": "Middle English brodyr slaer",
      "name": "inh"
    },
    {
      "args": {
        "1": "en",
        "2": "ang",
        "3": "brōþorslaga"
      },
      "expansion": "Old English brōþorslaga",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "brother",
        "3": "slayer"
      },
      "expansion": "brother + slayer",
      "name": "af"
    }
  ],
  "etymology_text": "From Middle English brodyr slaer, from Old English brōþorslaga, equivalent to brother + slayer.",
  "forms": [
    {
      "form": "brother-slayers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "brotherslayer",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "brother slayer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "brother-slayer (plural brother-slayers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "father-slayer"
    },
    {
      "word": "manslayer"
    }
  ],
  "senses": [
    {
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        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from Middle English",
        "English terms derived from Old English",
        "English terms inherited from Middle English",
        "English terms with rare senses",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "One who kills or murders one's brother; a fratricide"
      ],
      "links": [
        [
          "brother",
          "brother"
        ],
        [
          "fratricide",
          "fratricide"
        ]
      ],
      "raw_glosses": [
        "(rare) One who kills or murders one's brother; a fratricide"
      ],
      "tags": [
        "rare"
      ]
    }
  ],
  "word": "brother-slayer"
}