"nonback" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "back"
      },
      "expansion": "non- + back",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + back",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonback (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Phonetics",
          "orig": "en:Phonetics",
          "parents": [
            "Linguistics",
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1982, John J McCarthy, Formal problems in semitic phonology and morphology",
          "text": "Therefore these facts are doubly anomalous, since they have not only gemination after a nonback vowel but also after a vowel that is stressed.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not back; not produced at the back of the mouth."
      ],
      "id": "en-nonback-en-adj-gnHRDkd0",
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(phonetics) Not back; not produced at the back of the mouth."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "28 72",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "39 61",
          "kind": "other",
          "name": "English terms prefixed with non-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1973, Lawrence W Friedmann, Lawrence Galton, Freedom From Backaches",
          "text": "As we have noted, back pain may stem from many nonback conditions, including peptic ulcer, prostate disease, kidney disease, retroverted uterus...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not of or pertaining to the back (rear side of the body)."
      ],
      "id": "en-nonback-en-adj-wcp4NPQy",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(medicine) Not of or pertaining to the back (rear side of the body)."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "nonback"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English terms prefixed with non-",
    "English uncomparable adjectives"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "back"
      },
      "expansion": "non- + back",
      "name": "prefix"
    }
  ],
  "etymology_text": "non- + back",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "nonback (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Phonetics"
      ],
      "examples": [
        {
          "ref": "1982, John J McCarthy, Formal problems in semitic phonology and morphology",
          "text": "Therefore these facts are doubly anomalous, since they have not only gemination after a nonback vowel but also after a vowel that is stressed.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not back; not produced at the back of the mouth."
      ],
      "links": [
        [
          "phonetics",
          "phonetics"
        ],
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(phonetics) Not back; not produced at the back of the mouth."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "phonetics",
        "phonology",
        "sciences"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Medicine"
      ],
      "examples": [
        {
          "ref": "1973, Lawrence W Friedmann, Lawrence Galton, Freedom From Backaches",
          "text": "As we have noted, back pain may stem from many nonback conditions, including peptic ulcer, prostate disease, kidney disease, retroverted uterus...",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Not of or pertaining to the back (rear side of the body)."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "back",
          "back"
        ]
      ],
      "raw_glosses": [
        "(medicine) Not of or pertaining to the back (rear side of the body)."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "nonback"
}