"hot-brain" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hot",
        "3": "brain"
      },
      "expansion": "hot + brain",
      "name": "compound"
    },
    {
      "args": {
        "1": "ang",
        "2": "hātheort",
        "3": "",
        "4": "furious, angry, irascible, passionate, ardent"
      },
      "expansion": "Old English hātheort (“furious, angry, irascible, passionate, ardent”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From hot + brain. Compare Old English hātheort (“furious, angry, irascible, passionate, ardent”).",
  "forms": [
    {
      "form": "hot-brains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hot-brain (plural hot-brains)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English bahuvrihi compounds",
          "parents": [
            "Bahuvrihi compounds",
            "Compound terms",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Anger",
          "orig": "en:Anger",
          "parents": [
            "Emotions",
            "Mind",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an impetuous, fiery person; a hothead"
      ],
      "id": "en-hot-brain-en-noun-xPZy5~-1",
      "links": [
        [
          "hothead",
          "hothead"
        ]
      ],
      "raw_glosses": [
        "(obsolete) an impetuous, fiery person; a hothead"
      ],
      "synonyms": [
        {
          "word": "hotbrain"
        }
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "word": "hot-brain"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "hot",
        "3": "brain"
      },
      "expansion": "hot + brain",
      "name": "compound"
    },
    {
      "args": {
        "1": "ang",
        "2": "hātheort",
        "3": "",
        "4": "furious, angry, irascible, passionate, ardent"
      },
      "expansion": "Old English hātheort (“furious, angry, irascible, passionate, ardent”)",
      "name": "cog"
    }
  ],
  "etymology_text": "From hot + brain. Compare Old English hātheort (“furious, angry, irascible, passionate, ardent”).",
  "forms": [
    {
      "form": "hot-brains",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hot-brain (plural hot-brains)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Anger",
        "en:People"
      ],
      "glosses": [
        "an impetuous, fiery person; a hothead"
      ],
      "links": [
        [
          "hothead",
          "hothead"
        ]
      ],
      "raw_glosses": [
        "(obsolete) an impetuous, fiery person; a hothead"
      ],
      "tags": [
        "obsolete"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "hotbrain"
    }
  ],
  "word": "hot-brain"
}