"sputterer" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "sputter",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish sputter\nEnglish -er\nEnglish sputterer\nFrom sputter + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish sputter\nEnglish -er\nEnglish sputterer\nFrom sputter + -er.",
  "forms": [
    {
      "form": "sputterers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sputterer (plural sputterers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries referencing ambiguous etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology texts",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with etymology trees",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with etymology trees",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "one who sputters",
          "word": "sputter"
        }
      ],
      "glosses": [
        "Agent noun of sputter; one who sputters."
      ],
      "id": "en-sputterer-en-noun-EEWUvIzI",
      "links": [
        [
          "Agent noun",
          "agent noun"
        ],
        [
          "sputter",
          "sputter"
        ]
      ],
      "tags": [
        "agent",
        "form-of"
      ]
    }
  ],
  "word": "sputterer"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": ":af",
        "3": "sputter",
        "4": "-er",
        "text": "+",
        "tree": "1"
      },
      "expansion": "Etymology tree\nEnglish sputter\nEnglish -er\nEnglish sputterer\nFrom sputter + -er.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish sputter\nEnglish -er\nEnglish sputterer\nFrom sputter + -er.",
  "forms": [
    {
      "form": "sputterers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sputterer (plural sputterers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English agent nouns",
        "English countable nouns",
        "English entries referencing ambiguous etymons",
        "English entries referencing missing etymons",
        "English entries with etymology texts",
        "English entries with etymology trees",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms suffixed with -er",
        "Pages using etymon with no ID",
        "Pages with 1 entry",
        "Pages with entries",
        "Pages with etymology trees"
      ],
      "form_of": [
        {
          "extra": "one who sputters",
          "word": "sputter"
        }
      ],
      "glosses": [
        "Agent noun of sputter; one who sputters."
      ],
      "links": [
        [
          "Agent noun",
          "agent noun"
        ],
        [
          "sputter",
          "sputter"
        ]
      ],
      "tags": [
        "agent",
        "form-of"
      ]
    }
  ],
  "word": "sputterer"
}