"fronter" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes d’adjectifs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De front et de -er."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "notes": [
    "Front n’a pas de comparatif dans les autres sens."
  ],
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Adjectifs comparatifs en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en anglais à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Lexique en anglais de la linguistique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "Terry Lynn Irons, On the Southern Shift in Appalachian English, page 122, 2007",
          "text": "The full development is Quadrant 4 in which /e/ is fully reversed in relation to /ey/, both fronter and higher."
        }
      ],
      "glosses": [
        "Comparatif de front : plus antérieur."
      ],
      "id": "fr-fronter-en-adj-o24m7wHO",
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈfɹʌn.tɚ\\"
    },
    {
      "ipa": "\\ˈfɹʌn.tə\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "fronter"
}

{
  "categories": [
    "Formes d’adjectifs en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "De front et de -er."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "notes": [
    "Front n’a pas de comparatif dans les autres sens."
  ],
  "pos": "adj",
  "pos_title": "Forme d’adjectif",
  "senses": [
    {
      "categories": [
        "Adjectifs comparatifs en anglais",
        "Exemples en anglais",
        "Exemples en anglais à traduire",
        "Lexique en anglais de la linguistique"
      ],
      "examples": [
        {
          "ref": "Terry Lynn Irons, On the Southern Shift in Appalachian English, page 122, 2007",
          "text": "The full development is Quadrant 4 in which /e/ is fully reversed in relation to /ey/, both fronter and higher."
        }
      ],
      "glosses": [
        "Comparatif de front : plus antérieur."
      ],
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈfɹʌn.tɚ\\"
    },
    {
      "ipa": "\\ˈfɹʌn.tə\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "fronter"
}