"exocranial" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "exo",
        "3": "cranial"
      },
      "expansion": "exo- + cranial",
      "name": "prefix"
    }
  ],
  "etymology_text": "From exo- + cranial.",
  "forms": [
    {
      "form": "more exocranial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most exocranial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "exocranial (comparative more exocranial, superlative most exocranial)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with exo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "On the outside of the cranium"
      ],
      "id": "en-exocranial-en-adj-ZZboabPG",
      "links": [
        [
          "outside",
          "outside"
        ],
        [
          "cranium",
          "cranium"
        ]
      ],
      "related": [
        {
          "word": "endocranial"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-eɪniəl"
    }
  ],
  "word": "exocranial"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "exo",
        "3": "cranial"
      },
      "expansion": "exo- + cranial",
      "name": "prefix"
    }
  ],
  "etymology_text": "From exo- + cranial.",
  "forms": [
    {
      "form": "more exocranial",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most exocranial",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "exocranial (comparative more exocranial, superlative most exocranial)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "endocranial"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with exo-",
        "Pages with 1 entry",
        "Rhymes:English/eɪniəl",
        "Rhymes:English/eɪniəl/5 syllables"
      ],
      "glosses": [
        "On the outside of the cranium"
      ],
      "links": [
        [
          "outside",
          "outside"
        ],
        [
          "cranium",
          "cranium"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-eɪniəl"
    }
  ],
  "word": "exocranial"
}