"-gnathous" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "γνάθος"
      },
      "expansion": "Ancient Greek γνάθος (gnáthos)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "-ous"
      },
      "expansion": "-ous",
      "name": "af"
    }
  ],
  "etymology_text": "Ancient Greek γνάθος (gnáthos) + -ous",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-gnathous",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-gnathous",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English terms suffixed with -ous",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biology",
          "orig": "en:Biology",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "opisthognathous"
        }
      ],
      "glosses": [
        "having a specified type of jaw"
      ],
      "id": "en--gnathous-en-suffix-GJvDxjMi",
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "jaw",
          "jaw"
        ]
      ],
      "raw_glosses": [
        "(biology) having a specified type of jaw"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "-gnathous"
}

{
  "derived": [
    {
      "word": "opisthognathous"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "γνάθος"
      },
      "expansion": "Ancient Greek γνάθος (gnáthos)",
      "name": "der"
    },
    {
      "args": {
        "1": "en",
        "2": "-ous"
      },
      "expansion": "-ous",
      "name": "af"
    }
  ],
  "etymology_text": "Ancient Greek γνάθος (gnáthos) + -ous",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
      },
      "expansion": "-gnathous",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-gnathous",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "English lemmas",
        "English suffixes",
        "English terms derived from Ancient Greek",
        "English terms suffixed with -ous",
        "en:Biology"
      ],
      "glosses": [
        "having a specified type of jaw"
      ],
      "links": [
        [
          "biology",
          "biology"
        ],
        [
          "jaw",
          "jaw"
        ]
      ],
      "raw_glosses": [
        "(biology) having a specified type of jaw"
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biology",
        "natural-sciences"
      ]
    }
  ],
  "word": "-gnathous"
}