"azygos" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "ἄζυγος",
        "t": "unwedded, unpaired"
      },
      "expansion": "Ancient Greek ἄζυγος (ázugos, “unwedded, unpaired”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ἄζυγος (ázugos, “unwedded, unpaired”).",
  "head_templates": [
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      "args": {
        "1": "?"
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      "expansion": "azygos",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "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": "topical",
          "langcode": "en",
          "name": "Anatomy",
          "orig": "en:Anatomy",
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            "Medicine",
            "Sciences",
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            "Health",
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            "Body"
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          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
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            "Healthcare",
            "Sciences",
            "Health",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "azygos vein"
        }
      ],
      "glosses": [
        "In anatomy, a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry."
      ],
      "id": "en-azygos-en-noun-8BTNRs6M",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "medicine",
          "medicine"
        ],
        [
          "structure",
          "structure"
        ],
        [
          "unpaired",
          "unpaired"
        ],
        [
          "bilateral",
          "bilateral"
        ],
        [
          "symmetry",
          "symmetry"
        ]
      ],
      "raw_glosses": [
        "(anatomy, medicine) In anatomy, a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry."
      ],
      "synonyms": [
        {
          "word": "impar"
        }
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "Azygos vein"
      ]
    }
  ],
  "word": "azygos"
}

{
  "derived": [
    {
      "word": "azygos vein"
    }
  ],
  "etymology_templates": [
    {
      "args": {
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        "2": "grc",
        "3": "ἄζυγος",
        "t": "unwedded, unpaired"
      },
      "expansion": "Ancient Greek ἄζυγος (ázugos, “unwedded, unpaired”)",
      "name": "bor"
    }
  ],
  "etymology_text": "Borrowed from Ancient Greek ἄζυγος (ázugos, “unwedded, unpaired”).",
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  "lang_code": "en",
  "pos": "noun",
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        "English terms derived from Ancient Greek",
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        "en:Anatomy",
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      "glosses": [
        "In anatomy, a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry."
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "medicine",
          "medicine"
        ],
        [
          "structure",
          "structure"
        ],
        [
          "unpaired",
          "unpaired"
        ],
        [
          "bilateral",
          "bilateral"
        ],
        [
          "symmetry",
          "symmetry"
        ]
      ],
      "raw_glosses": [
        "(anatomy, medicine) In anatomy, a structure that is unpaired. This is relatively unusual, as most elements of anatomy reflect bilateral symmetry."
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ],
      "wikipedia": [
        "Azygos vein"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "impar"
    }
  ],
  "word": "azygos"
}