"block heater" meaning in English

{
  "forms": [
    {
      "form": "block heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "block heater (plural block heaters)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Auto parts",
          "orig": "en:Auto parts",
          "parents": [
            "Automobiles",
            "Automotive",
            "Vehicles",
            "Transport",
            "Machines",
            "All topics",
            "Technology",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An electric heater that heats the engine of a car to ease starting in cold weather."
      ],
      "id": "en-block_heater-en-noun-vvEe9D4f",
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "heater",
          "heater"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "car",
          "car"
        ]
      ],
      "synonyms": [
        {
          "word": "headbolt heater"
        },
        {
          "word": "engine-block heater"
        },
        {
          "word": "cylinder-block heater"
        }
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "tags": [
            "common-gender"
          ],
          "word": "parkeringsvarmer"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "word": "lohkolämmitin"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "word": "moottorinlämmitin"
        },
        {
          "code": "nn",
          "lang": "Norwegian Nynorsk",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "tags": [
            "masculine"
          ],
          "word": "motorvarmar"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "tags": [
            "neuter"
          ],
          "word": "încălzitor de motor"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "predpuskovój podogrevátelʹ dvígatelja",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "tags": [
            "masculine"
          ],
          "word": "предпусково́й подогрева́тель дви́гателя"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
          "tags": [
            "common-gender"
          ],
          "word": "motorvärmare"
        }
      ],
      "wikipedia": [
        "block heater"
      ]
    }
  ],
  "word": "block heater"
}

{
  "forms": [
    {
      "form": "block heaters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "block heater (plural block heaters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Auto parts"
      ],
      "glosses": [
        "An electric heater that heats the engine of a car to ease starting in cold weather."
      ],
      "links": [
        [
          "electric",
          "electric"
        ],
        [
          "heater",
          "heater"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "car",
          "car"
        ]
      ],
      "wikipedia": [
        "block heater"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "headbolt heater"
    },
    {
      "word": "engine-block heater"
    },
    {
      "word": "cylinder-block heater"
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "tags": [
        "common-gender"
      ],
      "word": "parkeringsvarmer"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "word": "lohkolämmitin"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "word": "moottorinlämmitin"
    },
    {
      "code": "nn",
      "lang": "Norwegian Nynorsk",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "tags": [
        "masculine"
      ],
      "word": "motorvarmar"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "tags": [
        "neuter"
      ],
      "word": "încălzitor de motor"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "predpuskovój podogrevátelʹ dvígatelja",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "tags": [
        "masculine"
      ],
      "word": "предпусково́й подогрева́тель дви́гателя"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "an electric heater that heats the engine of a car to ease starting in cold weather",
      "tags": [
        "common-gender"
      ],
      "word": "motorvärmare"
    }
  ],
  "word": "block heater"
}