"nonface" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "face"
      },
      "expansion": "non- + face",
      "name": "prefix"
    }
  ],
  "etymology_text": "From non- + face.",
  "forms": [
    {
      "form": "nonfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nonface (plural nonfaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "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 non-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2007 February 13, Elizabeth Svoboda, “Faces, Faces Everywhere”, in New York Times:",
          "text": "As the computer amassed the information, it was able to discover relationships that were of great significance to almost all faces, but very few nonfaces.",
          "type": "quote"
        }
      ],
      "glosses": [
        "That which is not a face (especially in computer face-recognition software)."
      ],
      "id": "en-nonface-en-noun-2u-eWzrG",
      "links": [
        [
          "face",
          "face"
        ]
      ]
    }
  ],
  "word": "nonface"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "non",
        "3": "face"
      },
      "expansion": "non- + face",
      "name": "prefix"
    }
  ],
  "etymology_text": "From non- + face.",
  "forms": [
    {
      "form": "nonfaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "nonface (plural nonfaces)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with non-",
        "English terms with quotations",
        "Pages with 1 entry"
      ],
      "examples": [
        {
          "ref": "2007 February 13, Elizabeth Svoboda, “Faces, Faces Everywhere”, in New York Times:",
          "text": "As the computer amassed the information, it was able to discover relationships that were of great significance to almost all faces, but very few nonfaces.",
          "type": "quote"
        }
      ],
      "glosses": [
        "That which is not a face (especially in computer face-recognition software)."
      ],
      "links": [
        [
          "face",
          "face"
        ]
      ]
    }
  ],
  "word": "nonface"
}