"gnathion" meaning in English

{
  "etymology_templates": [
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        "2": "grc:γνᾰ́θος",
        "3": "ion",
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      },
      "expansion": "Ancient Greek γνᾰ́θος (gnáthos) + -ion",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek γνᾰ́θος (gnáthos) + -ion.",
  "head_templates": [
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        "1": "?"
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      "expansion": "gnathion",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "kind": "other",
          "name": "English terms suffixed with -ion (craniometry)",
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          "source": "w"
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      ],
      "glosses": [
        "A craniometric point, being the lowest part of the middle line of the mandible."
      ],
      "id": "en-gnathion-en-noun-Fy~P8LOA",
      "links": [
        [
          "craniometric",
          "craniometric"
        ],
        [
          "point",
          "point"
        ],
        [
          "mandible",
          "mandible"
        ]
      ],
      "related": [
        {
          "word": "gnatho-"
        }
      ],
      "synonyms": [
        {
          "word": "menton"
        }
      ]
    }
  ],
  "word": "gnathion"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc:γνᾰ́θος",
        "3": "ion",
        "id2": "craniometry"
      },
      "expansion": "Ancient Greek γνᾰ́θος (gnáthos) + -ion",
      "name": "suffix"
    }
  ],
  "etymology_text": "From Ancient Greek γνᾰ́θος (gnáthos) + -ion.",
  "head_templates": [
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      "args": {
        "1": "?"
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      "expansion": "gnathion",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "gnatho-"
    }
  ],
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        "English terms suffixed with -ion (craniometry)",
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        "A craniometric point, being the lowest part of the middle line of the mandible."
      ],
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          "craniometric",
          "craniometric"
        ],
        [
          "point",
          "point"
        ],
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          "mandible",
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      "synonyms": [
        {
          "word": "menton"
        }
      ]
    }
  ],
  "word": "gnathion"
}