"gigantocellular" meaning in English

{
  "etymology_templates": [
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        "2": "giganto",
        "3": "cellular"
      },
      "expansion": "giganto- + cellular",
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  ],
  "etymology_text": "From giganto- + cellular.",
  "head_templates": [
    {
      "args": {
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      "expansion": "gigantocellular (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
        },
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          "name": "English terms prefixed with giganto-",
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          "source": "w"
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      ],
      "derived": [
        {
          "word": "gigantocellular reticular nucleus"
        },
        {
          "word": "paragigantocellular"
        }
      ],
      "glosses": [
        "That has very large cells"
      ],
      "id": "en-gigantocellular-en-adj-PQ7bLWDY",
      "links": [
        [
          "cell",
          "cell"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "gigantocellular"
}

{
  "derived": [
    {
      "word": "gigantocellular reticular nucleus"
    },
    {
      "word": "paragigantocellular"
    }
  ],
  "etymology_templates": [
    {
      "args": {
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        "2": "giganto",
        "3": "cellular"
      },
      "expansion": "giganto- + cellular",
      "name": "prefix"
    }
  ],
  "etymology_text": "From giganto- + cellular.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "gigantocellular (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "That has very large cells"
      ],
      "links": [
        [
          "cell",
          "cell"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "gigantocellular"
}