"replacer" meaning in English

{
  "derived": [
    {
      "_dis1": "0 0",
      "word": "car replacer"
    },
    {
      "_dis1": "0 0",
      "word": "egg replacer"
    },
    {
      "_dis1": "0 0",
      "word": "milk replacer"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "replace",
        "3": "er"
      },
      "expansion": "replace + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From replace + -er.",
  "forms": [
    {
      "form": "replacers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "replacer (plural replacers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "1989, Vegetarian Times, number 147, page 42:",
          "text": "Vegan egg replacers are made from tapioca, potato starch, vegetable lecithin, calcium carbonate and a cellulose-based filler.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A replacement or substitute."
      ],
      "id": "en-replacer-en-noun-ZmmSnzXr",
      "links": [
        [
          "replacement",
          "replacement"
        ],
        [
          "substitute",
          "substitute"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "16 84",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "24 76",
          "kind": "other",
          "name": "English terms suffixed with -er",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "11 89",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "One who replaces something."
      ],
      "id": "en-replacer-en-noun-YSJbkt2r"
    }
  ],
  "word": "replacer"
}

{
  "categories": [
    "English agent nouns",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms suffixed with -er",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "derived": [
    {
      "word": "car replacer"
    },
    {
      "word": "egg replacer"
    },
    {
      "word": "milk replacer"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "replace",
        "3": "er"
      },
      "expansion": "replace + -er",
      "name": "suffix"
    }
  ],
  "etymology_text": "From replace + -er.",
  "forms": [
    {
      "form": "replacers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "replacer (plural replacers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1989, Vegetarian Times, number 147, page 42:",
          "text": "Vegan egg replacers are made from tapioca, potato starch, vegetable lecithin, calcium carbonate and a cellulose-based filler.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A replacement or substitute."
      ],
      "links": [
        [
          "replacement",
          "replacement"
        ],
        [
          "substitute",
          "substitute"
        ]
      ]
    },
    {
      "glosses": [
        "One who replaces something."
      ]
    }
  ],
  "word": "replacer"
}